Table 3

Multivariate quantile regression analysis of the association between DD and SES, and maternal BMI (kg/m²), Namibia

Variables	OLS	Q05	Q10	Q25	Q50	Q75	Q90
Maternal DD	−0.037 (0.049)	−0.001 (0.058)	0.027 (0.049)	0.037 (0.042)	−0.006 (0.041)	−0.051 (0.069)	0.055 (0.106)
Not working	ref	ref	ref	ref	ref	ref	ref
Agriculture and others	0.240 (0.195)	0.249 (0.209)	0.170 (0.214)	0.233 (0.164)	0.311 (0.175)	0.572 (0.243)	−0.274 (0.475)
White collars	0.809** (0.273)	0.492 (0.274)	0.330 (0.242)	0.511** (0.205)	0.417 (0.330)	1.028** (0.412)	0.909 (0.697)
Wealth index	0.182*** (0.012)	0.051*** (0.013)	0.058*** (0.011)	0.080*** (0.012)	0.143*** (0.015)	0.235*** (0.022)	0.301*** (0.040)
Education (in single years)	0.104** (0.032)	0.059* (0.042)	0.059* (0.041)	0.099*** (0.028)	0.122*** (0.025)	0.111** (0.037)	0.172** (0.073)
Maternal age (in years)	0.086*** (0.019)	0.028 (0.020)	0.033 (0.019)	0.033* (0.018)	0.070*** (0.019)	0.115*** (0.027)	0.224*** (0.051)
Parity	0.289*** (0.067)	0.065 (0.078)	0.097 (0.084)	0.193*** (0.078)	0.182** (0.070)	0.287** (0.088)	0.370* (0.173)
Male head	ref	ref	ref	ref	ref	ref	ref
Female head	0.782*** (0.189)	0.621** (0.220)	0.568** (0.173)	0.614*** (0.161)	0.338 (0.172)	0.482 (0.253)	0.893 (0.484)
There are co-wives	ref	ref	ref	ref	ref	ref	ref
No co-wives	0.551** (0.192)	0.284 (0.197)	0.145 (0.194)	0.438** (0.156)	0.284 (0.177)	0.486 (0.268)	1.041* (0.438)
Household size	−0.047 (0.031)	0.003 (0.034)	−0.001 (0.023)	−0.058* (0.025)	−0.028 (0.031)	−0.080 (0.049)	−0.019 (0.068)
Number of children under 5	0.019 (0.109)	−0.001 (0.121)	−0.015 (0.086)	0.022 (0.096)	0.036 (0.099)	0.076 (0.154)	0.061 (0.266)
Observations	3222	3222	3222	3222	3222	3222	3222

SEs in parentheses.
*p<0.05; **p<0.01; ***p<0.001.
BMI, body mass index; DD, dietary diversity; OLS, ordinary least squares; Q, quantile; SES, socioeconomic status.