Table 6.

β-coefficients (β) with 95% confidence intervals (CIs) for BMI (rate of change), women aged 16–71 years using mixed models with random intercepts and random slopes

		Unadjusted		Adjusted
Variable	Category	β	95% CI	β	95% CI
Rate of change
Age-centered	Centered at 44 y	0.134	0.128-0.141	0.132	0.125-0.139
Agec*cohortc		0.0001	−0.0006-0.0004	0.00007	−0.0006-0.0004
Agec-squared		−0.0012	−0.0015- -0.0008	−0.0013	−0.0016- -0.0009
Cohort-centered	Centered at 1954	0.050	0.044-0.057	0.053	0.046-0.059
Education	Low			0
	Middle			−0.27	−0.17 to 0.11
	High			−0.20	−0.36 to −0.04
Urbanization1	1			0
	2			0.34	0.16 to 0.52
	3			0.53	0.36 to 0.71
Physical activity	Almost none			0
	Once a week			−0.16	−0.27 to −0.05
	>Once a week			−0.36	−0.53 to −0.19
Smoking	Non-smokers			0
	Former smokers			0.27	0.10 to 0.44
	Current smokers			−0.36	−0.53 to −0.19
Chronic disease	No			0
	Yes			0.21	0.10 to 0.31

¹Residence in: (1) the three largest cities in Sweden; (2) medium-sized towns (population >90,000); and (3) small towns (population 27,000–90,000) and rural areas.