Table 2 The prevalence of lifetime alcohol use, dependence and abuse in males among different socio-demographic groups

Whole sample (95 % CIs)

1729/2730 (63.1)

170/2730 (6.2)

110/2729 (4.0)

(61.5-65.1)

(5.3-7.1)

(3.3-4.8)

Twin Status

Twin (reference)

1063/1819 (58.4)

116/1819 (6.4)

59/1818 (3.3)

-

-

-

Non-twin

669/911 (73.7)

54/911 (5.9)

51/911 (5.6)**

1.4 (1.1-1.7)**

.96 (0.7-1.4)

1.5 (.96-2.3)

Age (quartiles)

1^st (16–24 yrs) (reference)

267/730 (36.9)

25/730 (3.4)

11/730 (1.5)

-

-

-

2^nd (25–34 yrs)

470/672 (69.9)**

54/672 (8.0)**

29/672 (4.3)**

2.6 (1.8-3.7)**

3.1 (1.7-5.9)**

3.3 (1.4-7.6)**

3^rd (35–46 yrs)

456/605 (75.4)**

48/605 (7.9)**

30/604 (5.0)**

2.2 (1.3-3.7)

4.4 (1.8-10.9)**

4.1 (1.3-12.8)*

4^th (47–89 yrs)

534/721 (74.1)**

42/721 (5.8)*

40/721 (5.6)**

1.3 (0.6-3.1)

5.2 (1.3-20.1)*

4.9 (1.0-24.4)

Ethnicity

Sinhala (reference)

1635/2519 (64.9)

156/2519 (6.2)

106/2518 (4.2)

-

-

-

Non-Sinhala

94/211 (44.6)**

14/211 (6.6)

4/211 (1.9)

0.4 (0.3-0.6)**

1.2 (0.6-2.3)

0.5 (0.2-1.3)

Marital status

Married (reference)

1204/1609 (74.8)

111/1609 (6.9)

75/1608 (4.7)

-

-

-

Never married

485/1074 (45.2)**

56/1074 (5.2)

29/1074 (2.7)*

0.6 (0.4-0.8)**

1.1 (0.7-1.7)

1.2 (.6-2.3)

Previously married

38/45 (84.4)

2/45 (4.4)

6/45 (13.3)*

1.6 (0.7-3.7)

.74 (0.2-3.2)

2.7 (1.0-7.1)*

Years of schooling

Up to 10 (reference)

696/976 (71.3)

69/976 (7.1)

58/975 (6.0)

-

-

-

11-12

611/987 (61.9)**

61/987 (6.2)

32/987 (3.2)**

0.82 (0.7-1.0)

0.88 (0.6-1.3)

0.6 (0.4-1.0)*

13+

405/738 (54.9)**

38/738 (5.2)

19/738 (2.6)**

0.63 (0.5-0.8)

0.79 (0.5-1.2)

0.50 (0.3-0.9)*

Urbanicity

Semi-urban (reference)

1017/1645 (61.8)

105/1645 (6.4)

61/1644 (3.7)

-

-

-

Urban

711/1084 (65.6)

65/1084 (6.2)

49/1084 (4.5)

1.4 (1.2-1.7)**

.93 (0.7-1.3)

1.27 (0.8-1.9)