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Table 2 Pooled crude estimates of prevalence of smokers in Nigeria

From: Current prevalence pattern of tobacco smoking in Nigeria: a systematic review and meta-analysis

 Both sexesMenWomen
Prevalence % (95% CI)I2%, P-valuePrevalence % (95% CI)I2%, P-valuePrevalence % (95% CI)I2%, P-value
Nation-wideCurrent10.4 (9.0–11.7)98.2, <  0.00113.4 (10.0–16.8)98.4, <  0.0013.6 (2.8–4.4)95.2, <  0.001
Ever17.7 (15.2–20.2)98.6, <  0.00122.8 (17.5–28.2)98.7, <  0.0016.3 (4.8–7.7)96.8, <  0.001
Geopolitical zoneNorth-centralCurrent10.3 (6.0–14.3)98.7, <  0.0018.1 (4.3–11.9)94.8, <  0.0013.6 (0.7–6.4)97.1, <  0.001
Ever18.4 (12.2–24.7)97.9, <  0.00124.0 (13.6–34.5)98.0, <  0.0017.3 (5.7–8.9)21.4, 0.280
North-eastCurrent32.1 (30.0–34.1)0.0, 0.59344.8 (41.7–47.8)0.0, 0.32318.6 (16.2–21.1)0.0, 0.444
Ever43.6 (31.5–55.7)89.6, <  0.00154.7 (51.6–57.7)0.0, 0.61928.9 (11.9–45.9)86.9, <  0.001
North-westCurrent5.4 (3.7–7.2)55.9, 0.0789.5 (7.0–11.9)0.0, 0.5074.3 (1.0–7.6)77.7, 0.011
Ever12.4 (7.9–16.9)84.1, <  0.00129.2 (25.3–33.1)
South-eastCurrent8.6 (4.1–13.0)97.3, <  0.00115.8 (11.6–19.9)013.0 (9.3–16.7)0
Ever10.5 (3.7–17.4)97.7, <  0.00126.8 (24.5–29.1)
South-southCurrent13.0 (8.7–17.3)97.7, <  0.00110.2 (5.9–14.5)74.4, 0.0081.8 (0.6–3.0)49.3, 0.116
Ever16.9 (11.4–22.3)97.9, <  0.00115.5 (10.7–20.2)83.9, <  0.0013.3 (0.7–6)90.6, <  0.001
South-westCurrent8.9 (6.9–11.0)97.7, <  0.0019.5 (6.2–12.8)96.6, <  0.0012.78 (1.7–3.8)92.6, <  0.001
Ever17.1 (12.8–21.4)98.8, <  0.00115.6 (9.7–21.5)96.6, <  0.0017.3 (3.4–11.2)97.4, <  0.001
SettingsUrbanCurrent10.7 (8.8–12.6)98.0, <  0.00113.2 (9.8–16.6)97.7, <  0.0014.2 (3.0–5.5)94.7, <  0.001
Ever18.1 (14.6–21.6)98.6, <  0.00120.5 (13.7–27.3)97.8, <  0.0016.7 (4.3–9.1)96.0, <  0.001
RuralCurrent9.1 (5.1–13.0)98.7, <  0.00115.3 (2.5–33.2)98.9, <  0.0017.0 (2.1–16.2)97.7, <  0.001
Ever16.8 (10.8–22.8)98.1, <  0.00118.5 (15.9–21.1)018.5 (16.4–20.7)0
MixedCurrent10.2 (7.3–13.1)98.1, <  0.00111.8 (4.2–27.8)99.4, <  0.0011.0 (0.04–1.9)61.3, 0.075
Ever17.3 (12.6–21.9)98.8, <  0.00130.3 (27.5–33.0)85.8, <  0.0012.6 (1.5–3.7)90.3, <  0.001
Mean cigarette per person per day aNation-wide10.1 (6.1–14.2)97.9, <  0.001
  1. aabsolute numbers of cigarettes consumed per person per day