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Stata do-file for analysis of the association between socioeconomic status and child mental health in the STARS randomised controlled trial
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| /* | |
| --------------------------------------------------------------------------- | |
| -- Socioeconomic status and child mental health in the STARS trial | |
| -- Analysis using Stata/SE 15.0 | |
| -- Do-file written by Katie Finning | |
| -- June 2020 | |
| --------------------------------------------------------------------------- | |
| */ | |
| use "C:\Users\Data\SES and mental health in STARS - cleaned 09_07_2020.dta", /// | |
| replace | |
| log using "Main analysis.log", replace | |
| fvset base 5 IMDQuint /*Set base value of IMD to quintile 5 (least deprived) */ | |
| * --------------------------------------------------------------------------- | |
| * DESCRIPTIVE ANALYSIS | |
| * T0 - Baseline | |
| tab IMDQuint, sum(ttotal0) /*Summaries for teacher total difficulties*/ | |
| oneway ttotal0 IMDQuint /*One-way ANOVA for teacher total difficulties*/ | |
| tab IMDQuint, sum(ptotal0) /*Summaries for parent total difficulties*/ | |
| oneway ptotal0 IMDQuint /*One-way ANOVA for parent total difficulties*/ | |
| tab anydiag0 IMDQuint, col chi2 /*Tab and chi-square for probable disorder*/ | |
| * T2 - 18 months | |
| tab IMDQuint, sum(ttotal2) | |
| oneway ttotal2 IMDQuint | |
| tab IMDQuint, sum(ptotal2) | |
| oneway ptotal2 IMDQuint | |
| tab anydiag2 IMDQuint, col chi2 | |
| * T3 - 30 months | |
| tab IMDQuint, sum(ttotal3) | |
| oneway ttotal3 IMDQuint | |
| tab IMDQuint, sum(ptotal3) | |
| oneway ptotal3 IMDQuint | |
| tab anydiag3 IMDQuint, col chi2 | |
| * ------------------------------------------------------------------------------ | |
| * MAIN ANALYSES USING COMPLETE CASES | |
| * Tests of interaction | |
| * Interaction effect for trial arm at baseline | |
| mixed ttotal0 i.IMDQuint##i.Allocation || Cluster: | |
| testparm i.IMDQuint#i.Allocation | |
| mixed ttotal0 i.IMDQuint##Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: | |
| testparm i.IMDQuint#i.Allocation | |
| mixed ptotal0 i.IMDQuint##i.Allocation || Cluster: | |
| testparm i.IMDQuint#i.Allocation | |
| mixed ptotal0 i.IMDQuint##i.Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: | |
| testparm i.IMDQuint#i.Allocation | |
| melogit anydiag0 i.IMDQuint##Allocation || Cluster: , or | |
| testparm i.IMDQuint#i.Allocation | |
| melogit anydiag0 i.IMDQuint##Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: , or | |
| testparm i.IMDQuint#i.Allocation | |
| /* None of the tests of interaction for trial arm are significant, either in | |
| unadjusted or adjusted models */ | |
| * Interaction effect for year group at baseline | |
| mixed ttotal0 i.IMDQuint##i.Year || Cluster: | |
| testparm i.IMDQuint#i.Year | |
| mixed ttotal0 i.IMDQuint##i.Year RecruitmentAgeYears Gender ChildEthnic_bin /// | |
| || Cluster: | |
| testparm i.IMDQuint#i.Year | |
| mixed ptotal0 i.IMDQuint##i.Year || Cluster: | |
| testparm i.IMDQuint#i.Year | |
| mixed ptotal0 i.IMDQuint##i.Year RecruitmentAgeYears Gender ChildEthnic_bin /// | |
| || Cluster: | |
| testparm i.IMDQuint#i.Year | |
| melogit anydiag0 i.IMDQuint##i.Year || Cluster: , or | |
| testparm i.IMDQuint#i.Year | |
| melogit anydiag0 i.IMDQuint##i.Year RecruitmentAgeYears Gender ChildEthnic_bin /// | |
| || Cluster:, or | |
| testparm i.IMDQuint#i.Year | |
| /* None of the tests of interaction for year group are significant, either in | |
| unadjusted or adjusted models */ | |
| * Re-shape data to long | |
| reshape long ttotal@ ptotal@ anydiag@, i(StudyNumber) j(time) | |
| rename time months | |
| recode months (0=0) (2=18) (3=30) | |
| * Interaction effect for year group across all time-points | |
| mixed ttotal i.IMDQuint##i.Year i.months || Cluster: || StudyNumber: | |
| testparm i.IMDQuint#i.Year | |
| mixed ttotal i.IMDQuint##i.Year i.months RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: || StudyNumber: | |
| testparm i.IMDQuint#i.Year | |
| mixed ptotal i.IMDQuint##i.Year i.months || Cluster: || StudyNumber: | |
| testparm i.IMDQuint#i.Year | |
| mixed ptotal i.IMDQuint##i.Year i.months RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: || StudyNumber: | |
| testparm i.IMDQuint#i.Year | |
| melogit anydiag i.IMDQuint##i.Year i.months || Cluster: , or | |
| testparm i.IMDQuint#i.Year | |
| melogit anydiag i.IMDQuint##i.Year i.months RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin , vce(cluster Cluster) or | |
| testparm i.IMDQuint#i.Year | |
| * --------------------------------------------------------------------------- | |
| * INITIAL TESTING OF MULTI-LEVEL MODELS | |
| /* Testing if null multi-level model with no predictors is superior fit to | |
| single-level model */ | |
| mixed ttotal /*single-level model*/ | |
| estimates store single | |
| mixed ttotal || Cluster: /*basic multi-level model with no predictors*/ | |
| estimates store multi | |
| lrtest single multi | |
| mixed ttotal || Cluster: || StudyNumber: | |
| estimates store three | |
| lrtest multi three | |
| /* Shows there is clustering at school level and at child level, therefore | |
| multi-level better fit than standard regression */ | |
| * Examine if effect of IMD on ttotal differs by school | |
| mixed ttotal i.IMDQuint || Cluster: | |
| estimates store a | |
| mixed ttotal i.IMDQuint || Cluster: IMDQuint | |
| estimates store b | |
| lrtest a b | |
| /* Likelihood ratio test is significant (p=.004) showing IMD effect varies | |
| by school, hence allow random slopes at level 2 */ | |
| *Examine if effect of IMD on ttotal differs across repeated measures | |
| mixed ttotal i.IMDQuint || Cluster: IMDQuint || StudyNumber: | |
| estimates store c | |
| mixed ttotal i.IMDQuint || Cluster: IMDQuint || StudyNumber: IMDQuint | |
| estimates store d | |
| lrtest c d | |
| /* LR test not significant (p=.99), so no need to allow for random slopes at | |
| repeated measures level, which is what we would expect */ | |
| * --------------------------------------------------------------------------- | |
| * UNADJUSTED MULTI-LEVEL MODELS ACROSS ALL TIME-POINTS | |
| char IMDQuint [omit]5 | |
| xi: mixed ttotal i.IMDQuint || Cluster: R.IMDQuint || StudyNumber: | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ptotal i.IMDQuint || Cluster: R.IMDQuint || StudyNumber: | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xtset Cluster | |
| xi: xtlogit anydiag i.IMDQuint, vce(cluster Cluster) or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * --------------------------------------------------------------------------- | |
| *ADJUSTED MULTI-LEVEL MODELS ACROSS ALL TIME POINTS | |
| xi: mixed ttotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint || StudyNumber: | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ptotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint || StudyNumber: | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xtset Cluster | |
| xi: xtlogit anydiag i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin, vce(cluster Cluster) or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * --------------------------------------------------------------------------- | |
| * TESTS FOR INTERACTION BY TIME-POINT | |
| * Unadjusted | |
| mixed ttotal i.IMDQuint##i.months || Cluster: R.IMDQuint | |
| testparm i.IMDQuint#i.months | |
| mixed ptotal i.IMDQuint##i.months || Cluster: R.IMDQuint | |
| testparm i.IMDQuint#i.months | |
| xtlogit anydiag i.IMDQuint##i.months, vce(cluster Cluster) or | |
| testparm i.IMDQuint#i.months | |
| * Adjusted | |
| mixed ttotal i.IMDQuint##i.months Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint | |
| testparm i.IMDQuint#i.months | |
| mixed ptotal i.IMDQuint##i.months Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint | |
| testparm i.IMDQuint#i.months | |
| xtlogit anydiag i.IMDQuint##i.months Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin, vce(cluster Cluster) or | |
| testparm i.IMDQuint#i.months | |
| /* Time is a significant moderator for both ttotal and anydiag, in both adjusted | |
| and unadjusted models, so we will perform subgroup analyses by time-point */ | |
| * --------------------------------------------------------------------------- | |
| *SUBGROUP ANALYSES BY TIME - UNADJUSTED | |
| * Teacher total difficulties scores | |
| xi: mixed ttotal i.IMDQuint || Cluster: R.IMDQuint if months ==0 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ttotal i.IMDQuint || Cluster: R.IMDQuint if months ==18 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ttotal i.IMDQuint || Cluster: R.IMDQuint if months ==30 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * Parent total difficulties scores | |
| xi: mixed ptotal i.IMDQuint || Cluster: R.IMDQuint if months ==0 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ptotal i.IMDQuint || Cluster: R.IMDQuint if months==18 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ptotal i.IMDQuint || Cluster: R.IMDQuint if months ==30 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * Probable psychiatric disorder | |
| xi: melogit anydiag i.IMDQuint if months ==0 || Cluster: R.IMDQuint , or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: melogit anydiag i.IMDQuint if months ==18 || Cluster: R.IMDQuint, or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: melogit anydiag i.IMDQuint if months ==30 || Cluster: R.IMDQuint, or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * --------------------------------------------------------------------------- | |
| * SUBGROUP ANALYSES BY TIME - ADJUSTED | |
| * Teacher total difficulties scores | |
| xi: mixed ttotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint if months==0 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ttotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint if months==18 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ttotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint if months==30 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * Parent total difficulties scores | |
| xi: mixed ptotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint if months==0 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ptotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint if months==18 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: mixed ptotal i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin || Cluster: R.IMDQuint if months==30 | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * Probable psychiatric disorder | |
| xi: melogit anydiag i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin if months==0 || Cluster: R.IMDQuint, or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: melogit anydiag i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin if months==18 || Cluster: R.IMDQuint, or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| xi: melogit anydiag i.IMDQuint Allocation RecruitmentAgeYears Gender /// | |
| ChildEthnic_bin if months==30 || Cluster: R.IMDQuint , or | |
| test _IIMDQuint_1 _IIMDQuint_2 _IIMDQuint_3 _IIMDQuint_4 | |
| * --------------------------------------------------------------------------- | |
| * MAIN ANALYSES USING MULTIPLY IMPUTED DATASET | |
| * Load imputed data | |
| use "C:\Users\Data\SES and mental health in STARS - imputed.dta", replace | |
| * Passively create interaction terms: | |
| mi passive: generate IMDxYear = IMDQuint*Year | |
| * Set base value of IMD to Quintile 5 | |
| mi fvset base 5 IMDQuint | |
| * Reshape data to long | |
| mi reshape long ttotal ptotal anydiag, i(StudyNumber) j(time) | |
| rename time months | |
| recode months (0=0) (2=18) (3=30) | |
| mi xtset Cluster | |
| /* Create a re-coded version of IMD Quintile such that quintile 1 = quintile 5, | |
| and vice versa, because I can't use any of the commands I know (fvset, omit) | |
| with mi in order to tell Stata to use Q5 (rather than Q1) as the comparator | |
| group */ | |
| mi passive: generate IMDQuint_rev = 1 if IMDQuint==5 | |
| mi passive: replace IMDQuint_rev = 2 if IMDQuint==4 | |
| mi passive: replace IMDQuint_rev = 3 if IMDQuint==3 | |
| mi passive: replace IMDQuint_rev = 4 if IMDQuint==2 | |
| mi passive: replace IMDQuint_rev = 5 if IMDQuint==1 | |
| * --------------------------------------------------------------------------- | |
| * UNADJUSTED MULTI-LEVEL MODELS ACROSS ALL TIME-POINTS | |
| /* Have to use meqrlogit as melogit doesn't work with mi estimate | |
| meqrlogit wouldn't converge; using xtlogit instead which can only account for | |
| one level of clustering. We compared the ttotal and ptotal models using "mixed" | |
| with (a) school + child clustering, and (b) school clustering only, and results | |
| were similar. So we are using xtlogit for the anydiag outcome variable and | |
| adjusting for school clustering only */ | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev || Cluster: R.IMDQuint_rev || /// | |
| StudyNumber: | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev || Cluster: R.IMDQuint_rev || /// | |
| StudyNumber: | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev, vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| * --------------------------------------------------------------------------- | |
| * ADJUSTED MULTI-LEVEL MODELS ACROSS ALL TIME-POINTS | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev Allocation RecruitmentAgeYears /// | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev || StudyNumber: | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev Allocation RecruitmentAgeYears /// | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev || StudyNumber: , /// | |
| emtolerance(30) | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev Allocation RecruitmentAgeYears /// | |
| Gender ChildEthnic_bin, vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| * --------------------------------------------------------------------------- | |
| * TESTING INTERACTION EFFECT FOR TRIAL ARM ACROSS ALL TIME-POINTS | |
| * Unadjusted | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev*i.Allocation || /// | |
| Cluster: R.IMDQuint_rev | |
| mi test _IIMDXAll_2_1 _IIMDXAll_3_1 _IIMDXAll_4_1 _IIMDXAll_5_1 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev*i.Allocation || /// | |
| Cluster: R.IMDQuint_rev | |
| mi test _IIMDXAll_2_1 _IIMDXAll_3_1 _IIMDXAll_4_1 _IIMDXAll_5_1 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev*i.Allocation, /// | |
| vce (cluster Cluster) | |
| mi test _IIMDXAll_2_1 _IIMDXAll_3_1 _IIMDXAll_4_1 _IIMDXAll_5_1 | |
| * Adjusted | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev*i.Allocation RecruitmentAgeYears /// | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXAll_2_1 _IIMDXAll_3_1 _IIMDXAll_4_1 _IIMDXAll_5_1 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev*i.Allocation RecruitmentAgeYears /// | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXAll_2_1 _IIMDXAll_3_1 _IIMDXAll_4_1 _IIMDXAll_5_1 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev*i.Allocation /// | |
| RecruitmentAgeYears Gender ChildEthnic_bin, vce (cluster Cluster) | |
| mi test _IIMDXAll_2_1 _IIMDXAll_3_1 _IIMDXAll_4_1 _IIMDXAll_5_1 | |
| * --------------------------------------------------------------------------- | |
| * TESTING INTERACTION EFFECT FOR YEAR GROUP ACROSS ALL TIME-POINTS | |
| * Unadjusted | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev*i.Year || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXYea_2_1 _IIMDXYea_2_2 _IIMDXYea_2_3 _IIMDXYea_2_4 _IIMDXYea_3_1 /// | |
| _IIMDXYea_3_2 _IIMDXYea_3_3 _IIMDXYea_3_4 _IIMDXYea_4_1 _IIMDXYea_4_2 /// | |
| _IIMDXYea_4_3 _IIMDXYea_4_4 _IIMDXYea_5_1 _IIMDXYea_5_2 _IIMDXYea_5_3 /// | |
| _IIMDXYea_5_4 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev*i.Year || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXYea_2_1 _IIMDXYea_2_2 _IIMDXYea_2_3 _IIMDXYea_2_4 _IIMDXYea_3_1 /// | |
| _IIMDXYea_3_2 _IIMDXYea_3_3 _IIMDXYea_3_4 _IIMDXYea_4_1 _IIMDXYea_4_2 /// | |
| _IIMDXYea_4_3 _IIMDXYea_4_4 _IIMDXYea_5_1 _IIMDXYea_5_2 _IIMDXYea_5_3 /// | |
| _IIMDXYea_5_4 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev*i.Year, vce(cluster Cluster) | |
| mi test _IIMDXYea_2_1 _IIMDXYea_2_2 _IIMDXYea_2_3 _IIMDXYea_2_4 _IIMDXYea_3_1 /// | |
| _IIMDXYea_3_2 _IIMDXYea_3_3 _IIMDXYea_3_4 _IIMDXYea_4_1 _IIMDXYea_4_2 /// | |
| _IIMDXYea_4_3 _IIMDXYea_4_4 _IIMDXYea_5_1 _IIMDXYea_5_2 _IIMDXYea_5_3 /// | |
| _IIMDXYea_5_4 | |
| * Adjusted | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev*i.Year Allocation /// | |
| RecruitmentAgeYears Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXYea_2_1 _IIMDXYea_2_2 _IIMDXYea_2_3 _IIMDXYea_2_4 _IIMDXYea_3_1 /// | |
| _IIMDXYea_3_2 _IIMDXYea_3_3 _IIMDXYea_3_4 _IIMDXYea_4_1 _IIMDXYea_4_2 /// | |
| _IIMDXYea_4_3 _IIMDXYea_4_4 _IIMDXYea_5_1 _IIMDXYea_5_2 _IIMDXYea_5_3 /// | |
| _IIMDXYea_5_4 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev*i.Year Allocation | |
| RecruitmentAgeYears Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXYea_2_1 _IIMDXYea_2_2 _IIMDXYea_2_3 _IIMDXYea_2_4 _IIMDXYea_3_1 /// | |
| _IIMDXYea_3_2 _IIMDXYea_3_3 _IIMDXYea_3_4 _IIMDXYea_4_1 _IIMDXYea_4_2 /// | |
| _IIMDXYea_4_3 _IIMDXYea_4_4 _IIMDXYea_5_1 _IIMDXYea_5_2 _IIMDXYea_5_3 /// | |
| _IIMDXYea_5_4 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev*i.Year Allocation | |
| RecruitmentAgeYears Gender ChildEthnic_bin , vce(cluster Cluster) | |
| mi test _IIMDXYea_2_1 _IIMDXYea_2_2 _IIMDXYea_2_3 _IIMDXYea_2_4 _IIMDXYea_3_1 /// | |
| _IIMDXYea_3_2 _IIMDXYea_3_3 _IIMDXYea_3_4 _IIMDXYea_4_1 _IIMDXYea_4_2 /// | |
| _IIMDXYea_4_3 _IIMDXYea_4_4 _IIMDXYea_5_1 _IIMDXYea_5_2 _IIMDXYea_5_3 /// | |
| _IIMDXYea_5_4 | |
| * Year group not a moderator across all time-points; no need to stratify by Year | |
| * --------------------------------------------------------------------------- | |
| * TEST FOR INTERACTION BY TIME-POINT | |
| * Unadjusted | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev*i.months || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXmon_2_18 _IIMDXmon_2_30 _IIMDXmon_3_18 _IIMDXmon_3_30 | |
| _IIMDXmon_4_18 _IIMDXmon_4_30 _IIMDXmon_5_18 _IIMDXmon_5_30 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev*i.months || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXmon_2_18 _IIMDXmon_2_30 _IIMDXmon_3_18 _IIMDXmon_3_30 | |
| _IIMDXmon_4_18 _IIMDXmon_4_30 _IIMDXmon_5_18 _IIMDXmon_5_30 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev*i.months, vce(cluster Cluster) | |
| mi test _IIMDXmon_2_18 _IIMDXmon_2_30 _IIMDXmon_3_18 _IIMDXmon_3_30 | |
| _IIMDXmon_4_18 _IIMDXmon_4_30 _IIMDXmon_5_18 _IIMDXmon_5_30 | |
| * Adjusted | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev*i.months Allocation | |
| RecruitmentAgeYears Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXmon_2_18 _IIMDXmon_2_30 _IIMDXmon_3_18 _IIMDXmon_3_30 | |
| _IIMDXmon_4_18 _IIMDXmon_4_30 _IIMDXmon_5_18 _IIMDXmon_5_30 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev*i.months Allocation | |
| RecruitmentAgeYears Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev | |
| mi test _IIMDXmon_2_18 _IIMDXmon_2_30 _IIMDXmon_3_18 _IIMDXmon_3_30 | |
| _IIMDXmon_4_18 _IIMDXmon_4_30 _IIMDXmon_5_18 _IIMDXmon_5_30 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev*i.months Allocation | |
| RecruitmentAgeYears Gender ChildEthnic_bin, vce(cluster Cluster) | |
| mi test _IIMDXmon_2_18 _IIMDXmon_2_30 _IIMDXmon_3_18 _IIMDXmon_3_30 | |
| _IIMDXmon_4_18 _IIMDXmon_4_30 _IIMDXmon_5_18 _IIMDXmon_5_30 | |
| /* Time is a significant moderator for both ttotal and anydiag, in both adjusted | |
| and unadjusted models (same as complete case analysis) */ | |
| * --------------------------------------------------------------------------- | |
| * SUBGROUP ANALYSES BY TIME - UNADJUSTED | |
| * Teacher total difficulties | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev || Cluster: R.IMDQuint_rev | |
| if months ==0 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev || Cluster: R.IMDQuint_rev | |
| if months ==18 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev || Cluster: R.IMDQuint_rev | |
| if months ==30 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| * Parent total difficulties | |
| xi: mi estimate: mixed ptotal i.IMDQuint || Cluster: R.IMDQuint if months ==0 | |
| mi test _IIMDQuint_2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ptotal i.IMDQuint || Cluster: R.IMDQuint if months ==18 | |
| mi test _IIMDQuint_2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ptotal i.IMDQuint || Cluster: R.IMDQuint if months ==30 | |
| mi test _IIMDQuint_2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| * Probable disorder | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev if months==0, | |
| vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev if months==18, | |
| vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev if months==30, | |
| vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| * --------------------------------------------------------------------------- | |
| * SUBGROUP ANALYSES BY TIME - ADJUSTED | |
| * Teacher total difficulties | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev if months==0 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev if months==18 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ttotal i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev if months==30 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| * Parent total difficulties | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev if months==0 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev if months==18 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: mixed ptotal i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin || Cluster: R.IMDQuint_rev if months==30 | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| * Probable disorder | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin if months==0, vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin if months==18, vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| xi: mi estimate: xtlogit anydiag i.IMDQuint_rev Allocation RecruitmentAgeYears | |
| Gender ChildEthnic_bin if months==30, vce(cluster Cluster) or | |
| mi test _IIMDQuint__2 _IIMDQuint__3 _IIMDQuint__4 _IIMDQuint__5 | |
| log close | |
| exit |
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