Table 2.

Prevalence of waterpipe use by background characteristics of respondents, GYTS 2017, Ghana

Characteristics	Ever users			Current users
	n/N b	% (95% CI) c	p a	n/N b	% (95% CI) c	p a
Overall	143/5052	3.1 (2.0–4.8)		77/5370	1.7 (0.9–3.3)
Sex
Male	72/2402	3.1 (2.1–4.5)	0.677	31/2565	0.9 (0.5–1.6)	0.033
Female	68/2627	2.6 (1.2–5.5)		44/2779	2.1 (0.9–4.7)
Age (years)
11–12	9/105	9.6 (3.5–23.7)	0.033	10/120	15.7 (6.2–34.7)	<0.001
13–15	117/4609	2.8 (1.7–4.4)		56/4879	1.3 (0.6–2.8)
16–17	17/332	5.9 (2.2–14.9)		11/364	2.1 (1.0–4.3)
Grade
First	67/1859	2.2 (1.4–3.5)	0.025	33/1954	0.8 (0.5–1.4)	<0.001
Second	63/2577	2.3 (1.5–3.3)		32/2750	0.8 (0.5–1.2)
Third	12/600	5.4 (2.5–11.2)		12/647	4.0 (1.5–10.1)
Region
Savanna/northern zone	90/1525	11.3 (6.2–19.7)	<0.001	62/1645	7.5 (3.4–16.1)	<0.001
Middle/forest zone	31/1658	2.0 (1.0–4.0)		7/1764	0.7 (0.2–3.3)
Coastal zone	22/1869	1.2 (0.6–2.4)		8/1961	0.5 (0.2–1.2)

^ap-value for difference in proportion based on background characteristics.

^bAbsolute numbers.

^cWeighted.