Table 3.

Predictors of BMI for age z-scores in adolescents in Jimma zone, South West Jimma

	Univariate Linear Regression				Multivariable Linear Regression
Variables	ß	95% CI		P-value	ß	95% CI		P-value
Residence in semi urban	0.1283	0.0124	0.2443	0.0301	0.0820	-0.0492	0.2132	0.2204
Residence in rural	-0.3132	-0.4223	-0.2041	0.0000	-0.0990	-0.2628	0.0649	0.2363
Sex (male)	-0.7330	-0.8321	-0.6340	0.0000	-0.7419	-0.8434	-0.6404	0.0000
Age in Years	0.1131	0.0746	0.1517	0.0000	0.0594	0.0173	0.1015	0.0057
Highest grade completed	0.0685	0.0489	0.0881	0.0000	0.0554	0.0290	0.0817	0.0000
private school	0.0278	-0.4102	0.4658	0.9009	0.1677	-0.2662	0.6016	0.4485
community school	0.7070	0.0119	1.4020	0.0462	0.7912	0.0238	1.5585	0.0433
Other type of school	-0.4743	-1.0516	0.1029	0.1072	0.2767	-0.2914	0.8447	0.3396
Household income	0.0004	0.0001	0.0006	0.0072	0.0001	-0.0002	0.0004	0.6156
Job	0.1144	-0.0011	0.2298	0.0523	0.2121	0.0967	0.3275	0.0003
Abdominal pain	-0.0766	-0.1883	0.0350	0.1783	0.0073	-0.1006	0.1151	0.8950
household size	-0.0233	-0.0384	-0.0081	0.0026	-0.0091	-0.0253	0.0070	0.2662
Mothers with primary education	0.0120	-0.1001	0.1240	0.8344	-0.0452	-0.1717	0.0813	0.4838
Mothers with secondary education	0.1706	0.0033	0.3379	0.0456	-0.0270	-0.2273	0.1733	0.7914
Fathers with no education	-0.0702	-0.1837	0.0433	0.2254	0.1205	-0.0103	0.2513	0.0710
Fathers with secondary education	0.1743	0.0492	0.2995	0.0063	0.0312	-0.1144	0.1767	0.6745

Source: Jimma Longitudinal Family of Youth; Round 2, 2006-2007

CI= confidence interval