Research Article

Disparities in Risk Factors Associated with Obesity between Zanzibar and Tanzania Mainland among Women of Reproductive Age Based on the 2010 TDHS

Table 4

Crude and adjusted odds ratios of obesity among nonpregnant women in Zanzibar.

VariableUnivariate analysis Multivariate analysis
OR (se)95% CI valueAOR (se)95% CI value

Place of residence
 Urban1.83 (0.25)[1.41, 2.39]<0.00011.01 (0.17)[0.72, 1.41]0.9586
 RuralReferenceReference
Wealth index
 PoorestReferenceReference
 Poorer0.99 (0.45)[0.41, 2.41]0.99650.97 (0.45)[0.40, 2.39]0.9498
 Middle1.04 (0.45)[0.44, 2.44]0.93420.96 (0.43)[0.40, 2.31]0.9262
 Richer1.34 (0.54)[0.61, 2.93]0.46981.17 (0.48)[0.52, 2.63]0.7014
 Richest2.85 (1.11)[1.33, 6.11]0.00722.36 (1.02)[1.01, 5.52]0.0467
Education level
 No educationReferenceReference
 Primary1.36 (0.29)[0.90, 2.05]0.13841.33 (0.31)[0.84, 2.09]0.2227
 Secondary and higher1.11 (0.22)[0.76, 1.62]0.59771.19 (0.27)[0.76, 1.86]0.4555
Marital status
 Never marriedReferenceReference
 Divorced/widowed4.53 (1.08)[2.84, 7.22]<0.00012.44 (0.71)[1.37, 4.32]0.0023
 Married/cohabited4.06 (0.75)[2.83, 5.82]<0.00012.12 (0.55)[1.27, 3.54]0.0039
Age (years)
 15–19ReferenceReference
 20–292.45 (0.62)[1.49, 4.02]0.00041.51 (0.45)[0.85, 2.70]0.1618
 30–396.23 (1.55)[3.83, 10.14]<0.00013.10 (1.02)[1.62, 5.92]0.0006
 40–496.61 (1.58)[4.14, 10.57]<0.00013.52 (1.19)[1.81, 6.82]0.0002
The use of cooking oil
 NoReferenceReference
 Yes1.54 (0.23)[1.15, 2.07]<0.00011.07 (0.19)[0.76, 1.50]0.7070
Meals per day
 1 time0.12 (0.12)[0.02, 0.78]0.02590.20 (0.18)[0.03, 1.20]0.0783
 2 times0.50 (0.08)[0.37, 0.68]<0.00010.67 (0.11)[0.48, 0.92]0.0151
 3 to 4 timesReferenceReference