Table 4.

Weighted prevalence (%) of overweight (25≤BMI<30) and obesity (BMI≥30) by the explanatory variables for women in the two periods, and test of change (logistic regression) in obesity adjusted for age, education, smoking habits, urbanization and immigrant status.

		2000/01		2004/05		Test of change in obesity prevalence
Explanatory Variable	Category (subgroup)	Overweight 25≤BMI<30	Obesity BMI≥30	Overweight 25≤BMI<30	Obesity BMI≥30	Odds ratio (95% confidence interval)
Totals	16-84	27.3	9.6	25.9	10.2	1.09 (0.95-1.24)
Age	16-24	11.9	1.6	10.2	2.6	1.52 (0.71-3.23)
	25-34	18.8	6.9	17.0	6.8	1.16 (0.80-1.67)
	35-44	24.6	9.2	23.0	11.1	1.22 (0.90-1.65)
	45-54	30.3	9.2	30.1	8.8	1.00 (0.72-1.38)
	55-64	35.9	14.4	35.7	13.0	0.90 (0.68-1.19)
	65-74	39.3	14.3	37.2	15.9	1.11 (0.80-1.54)
	75-84	34.8	13.1	32.4	16.8	1.19 (0.81-1.74)
Educational Level (years)	≤9	28.6	12.5	25.8	11.2	0.85 (0.66-1.09)
	10-11	31.7	9.9	31.0	14.4	1.46 (1.17-1.82)*
	≥12	21.9	6.9	21.9	7.1	0.99 (0.80-1.23)
Smoking	Never	26.3	8.5	24.6	8.9	1.10 (0.91-1.32)
	Former	28.7	12.3	26.8	12.0	1.00 (0.80-1.26)
	Daily	25.2	7.8	24.2	9.6	1.23 (0.90-1.68)
Urbanization2	1	23.2	7.9	22.3	8.1	0.99 (0.78-1.27)
	2	26.6	9.6	25.8	9.6	1.03 (0.83-1.29)
	3	31.1	10.7	28.0	12.5	1.23 (0.99-1.54)
Immigrant	Sweden	27.1	9.2	25.9	9.9	1.09 (0.94-1.26)
Status	Second-generation immigrants	24.5	8.2	22.5	8.7	1.03 (0.60-1.75)
	Labour immigrants	36.2	14.1	30.6	13.5	0.73 (0.39-1.37)
	Refugees	24.1	11.5	26.2	11.7	0.82 (0.50-1.33)

All persons in the sample were between 16 and 84 years old.

¹ (1) The three largest cities in Sweden, (2) medium-sized towns (> 90,000) and (3) small towns (27,000-90,000) or rural areas.

The overall OR is estimated separately.