Table 1.
Number and prevalence of TB suspects by socio-demographic characteristics in rural China, 2003
| Socio-demographic factors | No. of population | Number of TB suspects | Prevalence (/100,000) | X2 | P Value |
| (1) | (2) | ||||
| Age group | 2263.502 | <0.0001 | |||
| <30 | 62400 | 235 | 376 | ||
| 30–44 | 36062 | 425 | 1178 | ||
| 45–59 | 28914 | 772 | 2669 | ||
| 60 & over | 16614 | 876 | 5272 | ||
| Sex | 3.082 | 0.079 | |||
| female | 70556 | 1082 | 1533 | ||
| Male | 73435 | 1226 | 1669 | ||
| Health insurance | 30.727 | <0.0001 | |||
| No | 129303 | 2005 | 1550 | ||
| Yes | 13630 | 297 | 2179 | ||
| Education | 689.508 | <0.0001 | |||
| Illiterate | 25369 | 932 | 3673 | ||
| Primary school | 34623 | 774 | 2235 | ||
| Secondary school and above | 51095 | 470 | 919 | ||
| Occupation | 33.696 | <0.0001 | |||
| Farmer | 80317 | 1692 | 2106 | ||
| Non-farmer | 30808 | 483 | 1567 | ||
| Household income | 24.202 | <0.0001 | |||
| Low | 46657 | 854 | 1830 | ||
| Medium | 48177 | 691 | 1434 | ||
| high | 48604 | 763 | 1569 | ||
| Colour TV holding | 109.610 | <0.0001 | |||
| No | 58804 | 1188 | 2020 | ||
| Yes | 85089 | 1119 | 1315 | ||
| Total No. of population | 143,991 | 2308 | 1602 | ||
Note:
(1) Some cases with missing value for total population were taken as missing cases: 1 missed for age group;1058 missed for health insurance; 32904 missed and unreported for education; 32866 missed and unreported for occupation; 553 missed for household income; 98 missed for colour TV holding.
(2)Some cases with missing value for suspects were taken as missing cases: 6 missed for health insurance; 131 missed and unreported for education and occupation; 2 missed for household colour TV holding.