Table 3.

Multi-Nominal Regression Analysis (All Countries Combined)

Multinomial logistic regression Number of observations = 1 310 651
Dependent variable: tobacco use	RRR	p-value	95 % CI
No tobacco use	Base outcome
Exclusive smoking
Pregnant (ref = no)
Yes	0.85	0.217	0.67–1.09
Residence (ref = urban)
Rural	0.56	<0.001	0.44–0.71
Education (ref = no education)
Primary	0.87	0.5	0.56–1.32
Secondary	0.68	0.01	0.51–0.91
Higher	0.65	0.13	0.37–1.15
Wealth index (ref = poorest)
Poorer	0.65	<0.001	0.59–0.71
Middle	0.47	<0.001	0.39–0.57
Richer	0.39	<0.001	0.28–0.48
Richest	0.26	<0.001	0.18–0.39
Age	1.05	<0.001	1.04–1.06
Constant	0.009	<0.001	0.006–0.012
Exclusive smokeless
Pregnant (ref = no)
Yes	0.81	0.048	0.665–0.998
Residence (ref = urban)
Rural	0.89	0.51	0.63–1.25
Education (ref = no education)
Primary	0.72	0.29	0.39–1.32
Secondary	1.07	0.6	0.83–1.39
Higher	0.64	0.03	0.43–0.96
Wealth index (ref = poorest)
Poorer	1.01	0.88	0.90–1.13
Middle	0.76	<0.001	0.68–0.85
Richer	0.51	<0.001	0.45–0.59
Richest	0.24	<0.001	0.19–0.29
Age	1.06	<0.001	1.05–1.07
Constant	0.13	<0.001	0.005–0.03
Dual tobacco use
Pregnant (ref = no)
Yes	1.01	0.94	0.80–1.27
Residence (ref = urban)
Rural	0.72	0.02	0.54–0.96
Education (ref = no education)
Primary	1.11	0.79	0.53–2.29
Secondary	1.14	0.71	0.56–2.32
Higher	0.53	0.02	0.31–0.89
Wealth index (ref = poorest)
Poorer	0.73	0.05	0.53–1.0
Middle	0.65	0.07	0.41–1.03
Richer	0.68	0.184	0.38–1.2
Richest	0.39	<0.001	0.24–0.64
Age	1.07	<0.001	1.06–1.08
Constant	0.0003	<0.001	0.0002–0.0005