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Table 4 Trends in risk behaviors by sex and survey among adults aged 25–44 years in rural Kilimanjaro region of Tanzania

From: Trends in HIV-1 prevalence and risk behaviours over 15 years in a rural population in Kilimanjaro region of Tanzania

Variables

Category

1991

1993

1997*

2005

p-value for trend test

  

N = 629

N = 398

N = 384

N = 953

 

Sexually active (%)

      
 

Men

99.6

99.4

98.7

98.5

0.920

 

Women

100.0

100.0

99.1

98.4

0.710

Age at first sex-median in years a

      
 

Men

18.0

18.0

17.0

18.0

0.987

 

Women

18.0

18.0

18.0

18.0

1.000

Age at first marriage/cohabiting-median in years b

      
 

Men

26.0

27.0

24.0

25.0

0.163

 

Women

19.0

19.0

19.0

20.0

0.215

Polygamous marriage (%)

      
 

Men

8.3

12.6

11.5

7.7

0.679

 

Women

19.6

11.6

19.7

17.6

0.741

No. Partners past 4 weeks

      
 

Men

13.8

6.1

14.4

11.2

0.514

 

Women

2.2

3.5

2.0

3.3

0.610

No. of partners past year c

      
 

Men: ≥ 2 partners

38.3

36.4

27.0

35.2

0.522

 

Women: ≥ 2 partners

10.6

13.9

13.5

10.1

0.514

No. of partners past 5 years c

      
 

Men: ≥ 2 Partners

78.0

69.0

45.4

44.2

< 0.001

 

Women: ≥ 2 Partners

26.1

29.3

25.8

20.1

0.014

Ever/lifetime used condom (%)

      
 

Men

32.7

48.3

39.0

50.3

0.002

 

Women

26.7

21.9

20.5

28.4

0.069

Presently have GDS (%)

      
 

Men

2.5

6.3

2.7

3.3

0.392

 

Women

2.3

4.9

3.9

4.4

0.132

Presently have GUD (%)

      
 

Men

1.3

0.6

0.0

2.1

0.227

 

Women

1.1

1.1

1.3

1.1

0.349

Circumcision

Men

89.5

90.1

-

92.4

0.283

  1. * 1997 survey included individuals aged 15–36 years only.
  2. a Median age at first sex from those who ever had sex.
  3. b For those who have ever married/cohabited.
  4. cAmong those who ever had sex.
  5. GDS: Genital discharge syndrome, GUD: Genital ulcer disease