Table 1 Number and proportion of migrant workers in Singapore with at least basic protection against diphtheria (antitoxin titres ≥ 0.01 IU/ml) by country of origin and birth cohort
Country of origin [Total no.] | Birth cohort | No. of migrant workers | No. (%) with at least basic protection | p-value╪ |
|---|---|---|---|---|
Bangladesh [289] | 1975–1984 | 31 | 29 (93.5) | 0.001 |
1985–1989 | 63 | 57 (90.5) | ||
1990–1994 | 136 | 96 (70.6) | ||
1995–1999 | 59 | 43 (72.9) | ||
China [178] | 1975–1984 | 61 | 46 (75.4) | 0.254 |
1985–1989 | 65 | 55 (84.6) | ||
1990–1994 | 41 | 35 (85.4) | ||
1995–1999 | 11 | 9 (81.8) | ||
India [672] | 1975–1984 | 98 | 93 (94.9) | 0.514 |
1985–1989 | 170 | 165 (97.1) | ||
1990–1994 | 205 | 189 (92.2) | ||
1995–1999 | 199 | 189 (95.0) | ||
Indonesia [434] | 1975–1984 | 129 | 118 (91.5) | 0.406 |
1985–1989 | 101 | 95 (94.1) | ||
1990–1994 | 204 | 182 (89.2) | ||
Malaysia [152] | 1975–1984 | 18 | 17 (94.4) | 0.468 |
1985–1989 | 24 | 23 (95.8) | ||
1990–1994 | 64 | 62 (96.9) | ||
1995–1999 | 46 | 45 (97.8) | ||
Myanmar [284] | 1975–1984 | 24 | 24 (100.0) | 0.050 |
1985–1989 | 48 | 45 (93.8) | ||
1990–1994 | 207 | 180 (87.0) | ||
1995–1999 | 5 | 5 (100.0) | ||
Philippines [167] | 1975–1984 | 51 | 49 (96.1) | 0.144 |
1985–1989 | 61 | 58 (95.1) | ||
1990–1994 | 55 | 49 (89.1) |