Table 1 Proportions and prevalence proportion ratios (PPRs) of retention in a cohort of fishing communities around Lake Victoria, Uganda

All Participants

80.2 (1289/1607)

Sex

Male

79.6 (697/876)

1 (Ref)

1 (Ref)

Female

81.0 (592/731)

1.02 (0.97 - 1.07)

1.05 (0.99 - 1.11)

0.074

Age at enrolment (years)

18-24

72.8 (366/503)^††

1 (Ref)

1 (Ref)

25-29

79.8 (328/411)

1.10 (1.02 - 1.18)

1.00 (0.93 - 1.07)

0.933

30-39

86.1 (432/502)

1.18 (1.11 - 1.26)

1.04 (0.97 - 1.11)

0.273

40-49

85.3 (163/191)

1.17 (1.08 - 1.27)

1.00 (0.92 - 1.09)

0.953

Highest Education level*

None

80.4 (90/112)

1 (Ref)

-

Primary

79.4 (734/924)

0.99 (0.90 - 1.09)

-

Post primary

81.3 (462/568)

1.01 (0.92 - 1.12)

-

Religion

Pentecostal/Evangelical

82.9 (131/158)

1 (Ref)

-

Roman Catholic

81.6 (507/621)

0.98 (0.91 - 1.07)

-

Protestant/Anglican

76.7 (342/446)

0.92 (0.85 - 1.01)

-

Moslem

80.4 (263/327)

0.97 (0.89 - 1.06)

-

Other^¶

83.6 (46/55)

1.01 (0.88 - 1.16)

-

Ethnicity/tribe

Non-Muganda

76.9 (681/885)^††

1 (Ref)

1 (Ref)

Muganda

84.2 (608/722)

1.09 (1.04 - 1.15)

1.06 (1.01 - 1.11)

0.021

Occupation

Fishing/Fishing related

80.5 (648/805)

1 (Ref)

1 (Ref)

Trade/Business

81.2 (135/165)

1.02 (0.94 - 1.10)

0.96 (0.89 - 1.04)

0.382

Bar/Lodge/Restaurant

75.9 (123/162)

0.94 (0.86 - 1.03)

0.95 (0.87 - 1.05)

0.326

Farming

86.2 (75/87)

1.07 (0.98 - 1.17)

1.00 (0.92 - 1.10)

0.870

Housewife

78.3 (101/129)

0.97 (0.88 - 1.07)

0.93 (0.84 - 1.03)

0.194

Others^†

79.9 (207/259)

0.99 (0.92 - 1.06)

0.98 (0.92 - 1.05)

0.667

Marital status

Never married

70.2 (214/305)^††

1 (Ref)

1 (Ref)

Not currently married

79.7 (263/330)

1.14 (1.04 - 1.24)

1.03 (0.93 - 1.13)

0.570

Married monogamous

83.3 (575/690)

1.19 (1.09 - 1.29)

1.08 (0.99 - 1.18)

0.064

Married polygamous

80.4 (237/282)

1.20 (1.09 - 1.31)

1.07 (0.97 - 1.17)

0.169

Duration in community (years)

Less than 1

58.3 (175/300)

1 (Ref)

1 (Ref)

1 to 4

77.6 (464/598)

1.33 (1.20 - 1.48)

1.31 (1.17 - 1.45)

<0.0001

5 to 10

90.9 (440/484)

1.56 (1.41 - 1.72)

1.50 (1.35 - 1.66)

<0.0001

More than 10

93.3 (210/225)

1.60 (1.44 - 1.77)

1.54 (1.39 - 1.72)

<0.0001