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Table 3 Results for longitudinal models assessing the influence of neighbourhood and family characteristics on BMI percentile among children aged 2–3 in the NLSCY*

From: Effects of neighbourhood income on reported body mass index: an eight year longitudinal study of Canadian children

  Parameter Model C Model D
   Estimate 95% CI Estimate 95% CI
Initial Status π 0i     
Intercept β 00 71.05 67.1 to 74.99 70.58 65.82 to 75.34
Female β 01 -1.52 -3.53 to 0.49 1.82 -0.9 to 4.55
Age 2 in 1994 β 02 -2.34 -4.35 to -0.33 -2.87 -5.6 to -0.13
Child living in an intact family, 1994 β 03 -3.84 -7.06 to -0.62 -5.94 -10.24 to -1.64
Income adequacy: low/low middle, 1994 β 04 0.17 -2.77 to 3.1 0.64 -3.42 to 4.71
Income adequacy: high, 1994 β 05 0.31 -2.85 to 3.48 0.99 -3.21 to 5.19
No high school certificate (PMK), 1994 β 06 2.44 -0.83 to 5.7 1.82 -2.75 to 6.39
Postsecondary degree (PMK), 1994 β 07 -1.34 -3.55 to 0.88 -1.597 -4.62 to 1.42
Neighbourhood: least poor β 08 1.46 -1.02 to 3.95   
Neighbourhood: most poor β 09 4.03 1.2 to 6.86   
Neighbourhood: urban β 010 -3.51 -5.55 to -1.46   
Rate of Change π 1i     
Time β 10 -1.35 -1.82 to -0.88 -1.66 -3.31 to 0
Female β 11    -1.75 -2.69 to -0.82
Age 2 in 1994 β 12    0.31 -0.63 to 1.25
Child living in an intact family, 1994 β 13    1.17 -0.33 to 2.68
Income adequacy: low/low middle, 1994 β 14    -0.02 -1.46 to 1.42
Income adequacy: high, 1994 β 15    -0.72 -2.2 to 0.76
No high school certificate (PMK), 1994 β 16    0.58 -1.01 to 2.16
Postsecondary degree (PMK), 1994 β 17    0.082 -0.96 to 1.12
Neighbourhood: least poor β 18     
Neighbourhood: most poor β 19     
Neighbourhood: urban β 110     
Random Effects      
   Level 2: Initial status σ 0 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaacciGae83Wdm3aa0baaSqaaiabicdaWaqaaiabikdaYaaaaaa@2FAA@ 120.12 100.51 to 139.74 120.6 101.18 to 140.01
Covariance σ 01 -2.12 -7.28 to 3.04 -1.36 -6.41 to 3.69
Rate of change σ 1 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaacciGae83Wdm3aa0baaSqaaiabigdaXaqaaiabikdaYaaaaaa@2FAC@ 0.95 -1.13 to 3.03 0.58 -1.46 to 2.61
   Level 1: Within person σ ε 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaacciGae83Wdm3aa0baaSqaaiab=v7aLbqaaiabikdaYaaaaaa@305E@ 963.66 932.28 to 995.03 963.94 932.49 to 995.38
Goodness of Fit      
-2 Log Likelihood   88051.77   88048.71  
  Parameter Model E   Model F  
   Estimate 95% CI Estimate 95% CI
Initial Status π 0i     
Intercept β 00 66.71 63.84 to 69.57 72.43 67.31 to 77.55
Female β 01 1.96 -0.78 to 4.69 1.89 -0.83 to 4.61
Age 2 in 1994 β 02 -2.84 -5.58 to -0.11 -2.91 -5.63 to -0.19
Child living in an intact family, 1994 β 03    -6.42 -10.74 to -2.09
Income adequacy: low/low middle, 1994 β 04    0.5 -3.58 to 4.59
Income adequacy: high, 1994 β 05    1.68 -2.6 to 5.97
No high school certificate (PMK), 1994 β 06    1.38 -3.21 to 5.97
Postsecondary degree (PMK), 1994 β 07    -1.45 -4.45 to 1.56
Neighbourhood: least poor β 08 0.32 -3.08 to 3.72 0.87 -2.55 to 4.29
Neighbourhood: most poor β 09 2.15 -1.64 to 5.93 1.13 -2.69 to 4.95
Neighbourhood: urban β 010 -3.45 -6.2 to -0.69 -3.57 -6.38 to -0.76
Rate of Change π 1i     
Time β 10 -0.9 -1.89 to 0.1 -2.04 -3.79 to -0.29
Female β 11 -1.72 -2.65 to -0.78 -1.73 -2.66 to -0.8
Age 2 in 1994 β 12 0.32 -0.63 to 1.26 0.3 -0.65 to 1.24
Child living in an intact family, 1994 β 13    -1.31 -2.8 to 0.19
Income adequacy: low/low middle, 1994 β 14    -0.19 -1.64 to 1.27
Income adequacy: high, 1994 β 15    -0.69 -2.21 to 0.83
No high school certificate (PMK), 1994 β 16    0.52 -1.06 to 2.11
Postsecondary degree (PMK), 1994 β 17    0.05 -0.99 to 1.09
Neighbourhood: least poor β 18 0.32 -0.87 to 1.51 0.31 -0.89 to 1.51
Neighbourhood: most poor β 19 1.36 0.07 to 2.65 1.46 0.16 to 2.75
Neighbourhood: urban β 110 -0.12 -1.07 to 0.83 0.02 -0.96 to 0.99
Random Effects      
   Level 2: Initial status σ 0 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaacciGae83Wdm3aa0baaSqaaiabicdaWaqaaiabikdaYaaaaaa@2FAA@ 123.83 104.03 to 143.63 119.51 100.05 to 138.97
Covariance σ 01 -2.04 -7.23 to 3.15 -1.41 -6.49 to 3.67
Rate of change σ 1 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaacciGae83Wdm3aa0baaSqaaiabigdaXaqaaiabikdaYaaaaaa@2FAC@ 0.65 -1.41 to 2.71 0.49 -1.54 to 2.52
   Level 1: Within person σ ε 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaacciGae83Wdm3aa0baaSqaaiab=v7aLbqaaiabikdaYaaaaaa@305E@ 962.57 931.29 to 993.85 962.85 931.53 to 994.17
Goodness of Fit      
-2 Log Likelihood   88054   88028.2  
  1. *NLSCY = National Longitudinal Survey of Children and Youth (Canadian); Estimates based on weighted data. Data used are for a cohort of children aged 2–3 at baseline (1994) and assessed bi-annually until 2002.