Skip to main content

Table 1 Characteristics of sample (N = 2,098)

From: Prevalence, correlates and patterns of waterpipe smoking among secondary school students in southeast London: a cross-sectional study

Characteristic Our sample Reference sample
Age, mean ± SD 13.7 ± 1.3 -
Age, % (95 % CI)
 - 11–14 years 52.6 (50.5–54.8) 35,103 (57.2)
 - 15–17 years 47.4 (45.2–49.5) 26,289 (42.8)
Borough, n (%)
 - Lambeth 41.2 (39.1–43.3) 21,119 (34.4)
 - Southwark 40.7 (38.6–42.8) 20,345 (33.1)
 - Greenwich 18.1 (16.4–19.7) 19,928 (32.4)
Gender, n (%)
 - Female 44.9 (42.7–47.0) 128,333 (50.4)
 - Male 55.1 (53.0–57.2) 126,224 (49.6)
Ethnicity, n (%)
 - White 30.4 (28.4–32.3) 488,376 (57.7)
 - Black 47.3 (45.2–49.5) 204,708 (24.2)
 - Other 22.3 (20.5–24.1) 152,842 (18.1)
  1. Note: Reference sample taken from 2011 local census data: age data pooled for all three boroughs; gender and ethnicity data are from all residents pooled for all three boroughs; borough data are age-specific to our sample