Table 1. Socio-demographic characteristics and vaccination status of a sample interviewed after a community mass vaccination campaign in Zanzibar, stratified by site and gender.
| Total | Peri-urban site | Rural site | Women | Men | |||
| Number (%) | 367 (100) | 189 (51.5) | 178 (48.5) | 180 (49.0) | 187 (51.0) | ||
| Age (years) | |||||||
| Mean (SD) | 35.4 (14.6) | 33.1 (13.5) | 37.8 (15.4) | ** | 35.7 (13.8) | 35.1 (15.4) | |
| Median (range) | 32 (18–90) | 28 (18–75) | 36.5 (18–90) | ** | 33 (18–90) | 30 (18–80) | |
| Marital status (%) | |||||||
| Never married | 30.5 | 42.9 | 17.4 | *** | 21.1 | 39.6 | *** |
| Married | 59.4 | 49.7 | 69.7 | *** | 61.1 | 57.8 | |
| Separated | 0.5 | 0.0 | 1.1 | 0.0 | 1.1 | ||
| Divorced | 6.5 | 6.9 | 6.2 | 12.2 | 1.1 | *** | |
| Widowed | 3.0 | 0.5 | 5.6 | ** | 5.6 | 0.5 | ** |
| Household size (number of persons) | |||||||
| Mean (SD) | 6.9 (3.0) | 7.6 (3.2) | 6.3 (2.6) | *** | 6.8 (3.0) | 7.1 (2.9) | |
| Median (range) | 7 (1–15) | 7 (1–15) | 6 (1–13) | *** | 7 (1–14) | 7 (1–15) | |
| Main occupation (%) | |||||||
| Agriculture | 30.8 | 3.2 | 60.1 | *** | 35.0 | 26.7 | |
| Fishing | 6.0 | 0.0 | 12.4 | *** | 0.0 | 11.8 | *** |
| Self-employment | 23.7 | 36.0 | 10.7 | *** | 18.3 | 28.9 | * |
| Formal employment | 8.2 | 13.2 | 2.8 | *** | 3.3 | 12.8 | *** |
| Housewife | 12.3 | 18.0 | 6.2 | *** | 25.0 | 0.0 | *** |
| Casual laborer | 0.8 | 1.1 | 0.6 | 0.0 | 1.6 | ||
| Student | 12.5 | 18.0 | 6.7 | ** | 12.2 | 12.8 | |
| Not active/retired | 5.7 | 10.6 | 0.6 | *** | 6.1 | 5.3 | |
| Highest education (%) | |||||||
| No education | 8.4 | 4.8 | 12.4 | * | 10.6 | 6.4 | |
| Koranic school | 23.7 | 10.1 | 38.2 | *** | 30.6 | 17.1 | ** |
| Primary school | 26.4 | 21.2 | 32.0 | * | 19.4 | 33.2 | ** |
| Secondary school | 36.8 | 56.1 | 16.3 | *** | 35.6 | 38.0 | |
| Above secondary school | 4.6 | 7.9 | 1.1 | ** | 3.9 | 5.3 | |
| Vocational school | 1.4 | 1.6 | 1.1 | 0.6 | 2.1 | ||
| Higher education | 3.3 | 6.3 | 0.0 | *** | 3.3 | 3.2 | |
| Household income (%) | |||||||
| More regular and dependable | 39.8 | 54.0 | 24.7 | *** | 41.1 | 38.5 | |
| Less regular and dependable | 60.2 | 46.0 | 75.3 | 58.9 | 61.5 | ||
| Vaccination status | |||||||
| Receipt of 2 doses, number (%) | 171 (46.6) | 86 (45.5) | 85 (47.8) | 85 (47.2) | 86 (46.0) | ||
| Receipt of 1 dose, number (%) | 34 (9.3) | 18 (9.5) | 16 (9.0) | 17 (9.4) | 17 (9.1) | ||
| Receipt of 0 doses, number (%) | 162 (44.1) | 85 (45.0) | 77 (43.3) | 78 (43.3) | 84 (44.9) |
SD: Standard deviation, t test used for comparing means, Wilcoxon test used for comparing medians, Fisher's exact test used for comparing proportions (*p<0.05, **p<0.01, ***p<0.001).