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. 2020 Aug 13;29:e155. doi: 10.1017/S2045796020000700

Table 3.

Growth model for internalising problems (centred at age 3)

Model-1 Model-2 Model-3 Model-4 Model-5
Fixed effects: coefficients (standard errors)
Initial status, π0i Intercept 3.00** (0.019) 4.13** (0.11) 4.36** (0.12) 10.09** (0.36) 11.39** (0.44)
Household income
Lowest quintile
Second quintile −0.32** (0.057) −0.13* (0.053) −0.76 (0.43)
Third quintile −0.60** (0.064) −0.26** (0.060) −2.24** (0.46)
Fourth quintile −0.80** (0.069) −0.41** (0.065) −2.95** (0.49)
Fifth quintile −0.82** (0.076) −0.42** (0.071) −2.93** (0.50)
Maternal education
None of below
Overseas quality only −0.47** (0.13) −0.43** (0.12) −0.43** (0.12)
NVQ level 1 −0.49** (0.080) −0.35** (0.074) −0.34** (0.074)
NVQ level 2 −0.77** (0.063) −0.50** (0.059) −0.48** (0.059)
NVQ level 3 −0.92** (0.072) −0.59** (0.068) −0.58** (0.068)
NVQ level 4 −1.03** (0.070) −0.68** (0.067) −0.68** (0.067)
NVQ level 5 −0.92** (0.12) −0.65** (0.11) −0.64** (0.11)
Maternal occupation
Not in work/on leave
Semi-routine and routine −0.013 (0.058) −0.0066 (0.053) 0.0030 (0.053)
Lower supervisory and technical −0.084 (0.11) −0.0085 (0.11) −0.0055 (0.11)
Small employers and self-employed −0.046 (0.12) 0.11 (0.11) 0.10 (0.11)
Intermediate −0.27** (0.064) −0.18* (0.059) −0.19* (0.059)
Managerial and professional −0.22** (0.058) −0.10 (0.53) −0.11* (0.053)
(Household income) × (CPRS)
Lowest quintile
Second quintile 0.010 (0.0067)
Third quintile 0.031** (0.0071)
Fourth quintile 0.040** (0.0075)
Fifth quintile 0.39** (0.0077)
Linear rate of change, π1i Intercept −0.18** (0.046) −0.21** (0.052) −0.66** (0.16) −0.83** (0.16)
Household income
Lowest quintile
Second quintile −0.0027 (0.024) 0.0055 (0.024) 0.032 (0.081)
Third quintile −0.022 (0.026) −0.013 (0.027) 0.25* (0.087)
Fourth quintile −0.041 (0.028) −0.028 (0.029) 0.35** (0.093)
Fifth quintile −0.043 (0.031) −0.029 (0.032) 0.30* (0.096)
Maternal education
None of below
Overseas quality only 0.11 (0.53) 0.12* (0.053) 0.12* (0.053)
NVQ level 1 0.011 (0.34) 0.013 (0.034) 0.013 (0.034)
NVQ level 2 0.036 (0.027) 0.041 (0.027) 0.039 (0.027)
NVQ level 3 0.073* (0.030) 0.080* (0.031) 0.079* (0.031)
NVQ level 4 0.084* (0.029) 0.094* (0.030) 0.093* (0.030)
NVQ level 5 0.087 (0.047) 0.096* (0.047) 0.094* (0.047)
Maternal occupation
Not in work/on leave
Semi-routine and routine 0.00093 (0.024) 0.0056 (0.024) 0.0040 (0.024)
Lower supervisory and technical 0.0075 (0.047) 0.014 (0.047) 0.014 (0.047)
Small employers and self-employed 0.0070 (0.047) 0.013 (0.047) 0.013 (0.047)
Intermediate −0.0049 (0.026) 0.00031 (0.026) 0.00082 (0.026)
Managerial and professional −0.021 (0.023) −0.019 (0.023) −0.017 (0.023)
(Household income) × (CPRS)
Lowest quintile
Second quintile −0.00046 (0.0012)
Third quintile −0.0042* (0.0013)
Fourth quintile −0.0060** (0.0014)
Fifth quintile −0.0051* (0.0014)
Quadratic rate of change, π0i Intercept 0.025** (0.0045) 0.024** (0.0051) 0.049* (0.015) 0.049* (0.015)
Household income
Lowest quintile
Second quintile −0.00094 (0.0023) −0.0016 (0.0024) −0.0016 (0.0024)
Third quintile 0.00023 (0.0026) −0.00053 (0.0026) −0.00057 (0.0026)
Fourth quintile 0.00062 (0.0028) −0.00045 (0.0028) −0.00049 (0.0028)
Fifth quintile −0.00023 (0.0030) −0.0013 (0.0031) −0.0014 (0.0031)
Maternal education
None of below
Overseas quality only −0.0063 (0.0051) −0.0071 (0.0051) −0.0070 (0.0051)
NVQ level 1 0.0016 (0.0033) 0.0011 (0.0033) 0.0011 (0.0033)
NVQ level 2 −0.00049 (0.0026) −0.0015 (0.0027) −0.0015 (0.0027)
NVQ level 3 −0.0042 (0.0030) −0.0055 (0.0030) −0.0055 (0.0030)
NVQ level 4 −0.0063* (0.0029) −0.0079* (0.0030) −0.0079* (0.0030)
NVQ level 5 −0.0085 (0.0045) −0.010* (0.0046) −0.010* (0.0046)
Maternal occupation
Not in work/on leave
Semi-routine and routine −0.00070 (0.0023) −0.0011 (0.0023) −0.0011 (0.0023)
Lower supervisory and technical −0.00052 (0.0046) −0.0011 (0.0046) −0.0012 (0.0046)
Small employers and self-employed 0.0012 (0.0046) 0.00086 (0.0046) 0.00085 (0.0046)
Intermediate 0.000062 (0.0025) −0.00035 (0.0025) −0.00039 (0.0025)
Managerial and professional 0.0018 (0.0023) 0.0016 (0.0023) 0.0016 (0.0023)
Variance components: standard deviations and correlation coefficients (standard errors)
Level-1 Within-person (σɛ) 2.15 (0.0072) 1.77 (0.0086) 1.77 (0.0086) 1.77 (0.0086) 1.76 (0.0086)
Level-2 Initial status (σ0) 1.91 (0.015) 1.71 (0.017) 1.63 (0.017) 1.39 (0.017) 1.42 (0.017)
Linear rate of change (σ1) 0.42 (0.012) 0.42 (0.012) 0.41 (0.012) 0.42 (0.012)
Corr (linear – initial) 0.075 (0.025) 0.085 (0.025) 0.11 (0.028) 0.12 (0.028)
Quadratic rate of change (σ2) 0.037 (0.0012) 0.037 (0.0012) 0.036 (0.0012) 0.036 (0.0012)
Corr (quadratic – initial) −0.14 (0.027) −0.16 (0.028) −0.19 (0.031) −0.20 (0.031)
Corr (quadratic – linear) −0.83 (0.010) −0.83 (0.010) −0.83 (0.010) −0.83 (0.010)
Pseudo R2 statistics
Inline graphic 0.33 0.33 0.33 0.33
Inline graphic 0.08 0.34 0.34
Inline graphic 0.007 0.03 0.03
Inline graphic 0.005 0.02 0.02

*p < 0.05, **p < 0.001.

Model-1: empty.

Model-2: demographics.

Model-3: demographics + SEP.

Model-4: demographics + SEP + parenting.

Model-5: demographics + SEP + parenting + interaction term.