Table 3.

Multinomial regression analysis of predictors of urban household energy use.

Characteristic	Charcoal		Firewood		Other1
	RRR	[95% CI]	RRR	[95% CI]	RRR	[95% CI]
Electricity (Base)
Age
15–29#	1.00	.	1.00	.	1.00	.
30–44	1.08	0.98–1.12	1.21∗	0.98–1.49	0.86∗∗	0.77–0.97
45–59	1.02	0.90–1.16	1.99∗∗∗	1.57–2.53	0.85∗∗	0.72–1.00
60+	1.05	0.87–1.28	4.13∗∗∗	3.06–5.56	0.79∗	0.61–1.02
Sex
Male#	1.00	.	1.00	.	1.00	.
Female	1.52∗∗∗	1.38–1.67	1.30∗∗∗	1.08–1.57	0.63∗∗∗	0.56–0.71
Marital status
Never married#	1.00	.	1.00	.	1.00	.
Married	1.94∗∗∗	1.76–2.13	1.49∗∗∗	1.20–1.85	0.34∗∗∗	0.31–0.39
Formerly married	1.79∗∗∗	1.54–2.07	1.71∗∗∗	1.31–2.23	0.65∗∗∗	0.54–0.79
Education
No education#	1.00	.	1.00	.	1.00	.
Primary	1.13	0.89–1.42	0.97∗∗∗	0.70–1.32	1.15	0.84–1.57
Secondary	0.71∗∗∗	0.57–0.88	0.37∗∗∗	0.27–0.51	0.92	0.69–1.24
Tertiary	0.62∗∗∗	0.49–0.79	0.29∗∗∗	0.20–0.42	1.34∗	0.98–1.83
Degree	0.56∗∗∗	0.44–0.70	0.16∗∗∗	0.11–0.24	2.25∗∗∗	1.65–3.05
Economic activity
Employed	1.00	.	1.00	.	1.00	.
Unemployed	0.93	0.83–1.03	1.30∗∗∗	1.07–1.58	1.26∗∗∗	1.11–1.44
Dwelling unit
Tenement/Muzigo#	1.00	.	1.00	.	1.00	.
Detached2	0.45∗∗∗	0.40–0.49	0.83∗	0.68–1.02	0.48∗∗∗	0.42–0.54
Flat	0.14∗∗∗	0.12–0.17	0.14∗∗∗	0.08–0.25	0.63∗∗∗	0.52–0.77
Others	0.19∗∗∗	0.16–0.22	0.84	0.62–1.12	0.28∗∗∗	0.22–0.35
Rooms in dwelling unit
1 room#	1.00	.	1.00	.	1.00	.
2 rooms	1.32∗∗∗	1.19–1.46	1.57∗∗	1.29–1.91	0.78∗∗	0.68–0.89
3+ rooms	1.52∗∗∗	1.33–1.73	1.99∗∗	1.59–2.50	0.81∗∗	0.69–0.96
Floor material
Rammed earth#	1.00	.	1.00	.	1.00	.
Cement screed	0.99	0.82–1.19	0.32∗∗∗	0.25–0.41	1.07	0.83–1.38
Tiles/concrete	0.69∗∗∗	0.56–0.85	0.21∗∗∗	0.15–0.29	2.28∗∗∗	1.73–2.99
Others	0.68∗	0.45–1.02	0.32∗∗∗	0.16–0.65	1.21	0.72–2.04
Toilet facility						1.00
Shared	1.00	.	1.00	.	1.23∗∗∗
Not shared	0.80∗∗∗	0.72–0.89	1.27∗∗	1.04–1.55	1.00

^∗∗∗Significant at 1% level. ^∗∗Significant at 5% level. ^∗∗∗Significant at 10% level # Reference category CI = Confidence Interval. ¹Gas, kerosene, grass, cow dung, etc. ²Semidetached house and rooms in main house.