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Table 3 Multiple logistic and piecewise regression results for current drinking among women in 14 African countries

From: Alcohol abstinence and drinking among African women: data from the World Health Surveys

Countries with linear effect of age

Age

OR (95% CI)

Any education

OR (95% CI)

Working for pay

OR (95% CI)

Married/co-habiting

OR (95% CI)

Rural setting

OR (95% CI)

Congo

1.00 (0.98-1.01)

2.01 (0.83-4.87)

1.30 (0.59-2.89)

1.41 (0.89-2.22)

1.05 (0.76-1.46)

Ethiopia

1.00 (0.99-1.01)

0.39 (0.28-0.57)***

1.28 (0.95-1.71)

0.76 (0.61-0.96)*

1.00 (0.78-1.36)

Malawi

1.05 (1.04-1.07)*

2.13 (0.85-5.39)

1.45 (0.72-2.94)

0.55 (0.27-1.10)

1.11 (0.74-1.68)

Mauritius

1.02 (1.00-1.03)**

1.31 (0.68-2.53)

1.74 (1.26-2.42)***

1.55 (1.06-2.25)*

0.92 (0.68-1.25)

South Africa

1.01 (0.99-1.02)

0.66 (0.38-1.14)

1.32 (0.93-1.88)

1.21 (0.86-1.70)

0.84 (0.71-0.99)*

Zambia

1.04 (1.02-1.05)***

1.00 (0.53-1.88)

1.50 (0.90-2.50)

1.05 (0.63-1.75)

0.71 (0.54-0.92)*

Zimbabwe

1.04 (1.02-1.06)***

1.07 (0.54-2.12)

1.19 (0.62-2.29)

1.60 (0.92-2.78)

0.87 (0.63-1.21)

Countries with piecewise linear effect of age

OR (95% CI) before breakpoint

OR (95% CI) after breakpoint

Age at breakpoint (95% CI)

    

Burkina Faso

1.03 (1.02-1.05) ***

0.99 (0.96-1.03)

53 (38-69)

1.22 (0.88-1.69)

1.13 (0.90-1.41)

0.70 (0.53-0.94)*

2.39 (1.85-3.08)***

Chad

1.03 (0.99-1.06)

0.95 (0.93-0.97)

37(29-46)

2.33 (1.62-3.35)***

1.68 (1.24-2.27) ***

0.53 (0.38-0.75) ***

1.42 (0.96-2.12)

Cote d'Ivoire

1.04 (1.01-1.08) *

0.99 (0.94-1.03)

49 (32-65)

1.26 (0.78-2.02)

0.92 (0.59-1.43)

0.76 (0.48-1.20)

1.33 (0.84-2.09)

Ghana

1.02 (1.00-1.04) *

0.99 (0.97-1.02)

51 (28-74)

0.85 (0.62-1.15)

2.00 (1.29-3.12)**

0.92 (0.69-1.24)

1.29 (0.97-1.73)

Kenya

1.08 (0.99-1.19)

0.99 (0.97-1.01)

33 (21-45)

0.43 (0.26-0.69)***

0.98 (0.65-1.47)

0.76 (0.51-1.15)

0.76 (0.50-1.17)

Namibia

1.03 (1.00-1.05)

0.97 (0.95-0.98) **

41 (34-48)

0.59 (0.43-0.79)***

1.05 (0.82-1.34)

0.66 (0.52-0.84)***

1.18 (0.94-1.48)

Swaziland

1.06 (1.02-1.10)**

0.98 (0.92-1.05)

54 (36-72)

0.43 (0.20-.92)*

0.90 (0.40-2.05)

0.76 (0.39-1.51)

1.53 (0.61-3.83)

  1. * p ≤ 0.05; ** p ≤ 0.01 ***p ≤ 0.001