Table 4.

Summary table model for male and female

	Female model with 95% CI		Male model with 95% CI
# of observations	33,334		27,197
# of panel respondents	8,003		6,816
# cohort group	70		72
Fixed effect
Mean BMI (intercept) at age 20	19.95***	[19.49–20.41]	19.40 ***	[18.94–19.85]
Rate of change by one unit of age	0.21***	[0.19–0.23]	0.17 ***	[0.15–0.18]
Changing in rate by one unit of age indicating aging effect	-0.003***	[-0.003-(-0.003)]	-0.002 ***	[-0.003-(-0.002)]
Cohort (centering in cohort 1973)	0.07***	[0.05–0.10]	0.06 ***	[0.04–0.08]
Period of survey –ref 1993
1997	0.34***	[0.26–0.43]	0.03	[-0.04–0.11]
2000	0.38***	[0.26–0.50]	0.02	[-0.09–0.13]
2007	0.98***	[0.77–1.19]	0.51 ***	[0.32–0.71]
2014	1.49***	[1.19–1.78]	0.82 ***	[0.54–1.10]
Education (ref. None education)
Primary	0.70***	[0.25–1.15]	0.30	[-0.18–0.78]
Secondary	0.21	[-0.27–0.70]	0.83***	[0.35–1.31]
Tertiary	-0.61	[-1.42–0.19]	1.91***	[1.28–2.53]
Education#cohort
Primary	-0.01	[-0.03–0.01]	-0.005	[-0.02–0.01]
Secondary	-0.06***	[-0.08-(-0.03)]	-0.04***	[-0.06-(-0.02)]
Tertiary	-0.12***	[-0.18-(-0.06)]	-0.05***	[-0.08-(-0.02)]
Education#Age
Primary	0.01	[-0.005–0.017]
Secondary	0.04***	[0.02–0.05]
Tertiary	0.06***	[0.04–0.09]
Random effect
Level I—within person variance	3.27	[3.21–3.35]	2.07	[2.02–2.12]
Level II—between person
variance initial BMI (intercept)	10.99	[10.29–11.74]	6.59	[6.10–7.13]
variance rate of change (slope)	0.01	[0.01–0.01]	0.01	[0.01–0.01]
Cov (intercept & slope)	-0.12	[-0.14–0.10]	-0.07	[-0.09-(-0.06)]
Level III-between cohorts	0.16	[0.08–0.34]	4.09E-12	[6.6e-17–2.5e-07]
Goodness of fit
Log likelihood	-80,852		-59,833.76
AIC	161,748		119,705.5
BIC	161,933.1		119,861.5

*** p-value significant < 0.001