Changes in Obesity Odds Ratio among Iranian Adults, since 2000: Quadratic Inference Functions Method

Table 1

Descriptive prevalence of obesity across study variable levels in the four studies.

Variable	2000			2007			2009			2011
	Rate	%	Total	No	%	Total	No	%	Total	No	%	Total
Age
20–30	556	6.4	8674	600	9.7	6160	493	9.4	5226	263	10.5	2500
30–40	969	13.6	7115	1214	20.5	5922	908	19.4	4671	354	21.2	1666
40–50	906	18.3	4948	1578	26.1	6047	1222	26.6	4599	423	31.1	1361
50–60	496	18.0	2753	1551	25.6	6050	1201	25.7	4676	592	29.4	2017
60+	491	11.2	4379	603	23.8	2537	409	23.4	1745	246	27.9	881
Sex
Men	832	6.6	12690	1698	12.9	13194	1235	12.2	10083	520	14.6	3551
Women	2586	17	15179	3848	28.5	13522	1998	27.7	10834	1358	27.9	4874
Place of residence
Rural	785	8.0	9833	1807	16.5	10920	1503	16.9	8909	457	18.4	2478
Urban	2633	14.6	18036	3739	23.7	15796	2730	22.7	12008	1421	23.9	5947
Employment status
Other	2574	16.0	16123	4117	25.1	16370	3916	20.9	18705	1370	29.5	4648
Public employed	239	8.7	2741	369	15.8	2331	246	15.6	1574	166	11.4	1457
Private employed	605	6.7	9005	1060	13.2	8015	71	11.1	638	342	14.7	2320
Smoking status
Nonsmoker	3175	13.3	23821	4819	22.9	21076	3827	21.7	17629	1728	23.9	7228
Current smoker	243	6.0	4048	727	12.9	5640	406	12.3	3288	150	12.5	1197
Total	3418	12	27869	5546	20	26716	4233	20	20917	1878	22	8425

Prevalence of obesity.