Table 4.

Factors associated with BMI among women aged 40–60 years in Nairobi slums (2014–2015).

	Model 1		Model 2		Model 3
Characteristics	Coeff	95% CI	Coeff	95% CI	Coeff	95% CI
Sociodemographic
Household SES
First Quintile (REF)
Second Quintile	0.061	0.020, 0.103	0.049	0.007, 0.091	0.053	0.008, 0.097
Third Quintile	0.109	0.065, 0.151	0.101	0.058, 0.144	0.089	0.043, 0.135
Fourth Quintile	0.164	0.120, 0.208	0.146	0.103, 0.190	0.131	0.084, 0.177
Fifth Quintile	0.188	0.142, 0.234	0.172	0.126, 0.219	0.144	0.095, 0.193
Behavioural
Tobacco use
Never smoked (REF)
Current smoker			−0.158	−0.246, −0.071	−0.175	−0.264, −0.087
Former smoker			0.013	−0.047, 0.074	0.017	−0.046, 0.079
Snuff use			0.005	−0.114, 0.124	−0.018	−0.140, 0.103
Chewing tobacco use			−0.016	−0.220, 0.188	0.029	−0.250, 0.308
Alcohol consumption
Never consumed (REF)
Current non-problematic			0.075	0.003, 0.148	0.078	0.004, 0.151
Current problematic			−0.017	−0.096, 0.062	−0.028	−0.110, 0.054
Former consumer			0.01	−0.022, 0.041	0.009	−0.024, 0.041
Average sleep time per night			−0.015	−0.023, −0.006	−0.012	−0.021, −0.003
Sedentary time (minutes/day			0.001	0.001, 0.001	0.001	0.001, 0.001
Biological
Ethnicity
Kikuyu (REF)
Kamba					−0.043	−0.079, −0.007
Luo					−0.070	−0.110, −0.030
Luhya					−0.072	−0.113, −0.031
Others					−0.085	−0.131, −0.038
HIV infection					−0.101	−0.138, −0.064
Tuberculosis infection					−0.077	−0.120–0.034
R2	0.104		0.124		0.189
∆R2			0.02		0.065
F (p-value)	<0.001		<0.001		<0.001
BIC	−283.211		−266.763		−240.352

Only statistically significant factors in the final model are shown in the table. Other factors included are shown in the models.Model 1: Sociodemographic factors (Age, marital status, wealth index): Model 2: Model 1+ behavioural factors (Smoking, Alcohol, Diet) Model 3: Model 2+ Biological factors (Ethnicity, Diabetes, HIV, Tuberculosis).