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Table 4 Respondents age ranges at first use of various substances based on life time use

From: Correlates for psycho-active substance use among boarding secondary school adolescents in Enugu, South East, Nigeria

Substances

Age at First Use (years)

≤10

11–14

15–19

Kolanut (n = 569)

235 (41.3 %)

222 (39.0 %)

112 (19.7 %)

Alcohol (n = 531)

192(36.2 %)

249 (46.9 %)

90 (16.9 %)

Coffee (n = 159)

70 (44.0 %)

66 (41.5 %)

23 (14.5 %)

Tranquillizers (n = 90)

24 (26.7 %)

51(56.7 %)

15 (16.7 %)

Tobacco (n = 92)

13 (14.1 %)

44 (47.8)

35 (38.0 %)

Cannabis (n = 7)

0 (0.0 %)

2 (28.6 %)

5 (71.4 %)

  1. χ2=62.125 df = 10 p-value =0.000