Table 2 Comparison of active/ passive surveillance group participants to the diagnostic ward in terms of baseline characteristics and other variables
From: Incidence of tuberculosis among school-going adolescents in South India
Variable | Active surveillance (N = 341) (%) | Passive surveillance (N = 277) (%) | P value |
|---|---|---|---|
Gender | |||
Male | 203 (59.5) | 113 (40.8) | |
Female | 138 (40.5) | 164 (59.2) | <0.001 |
Age | |||
12–13 years | 38 (11.1) | 33 (11.9) | |
14–15 years | 171 (50.1) | 163 (58.8) | |
16–17 years | 87 (25.5) | 72 (26.0) | <0.001 |
18–20 years | 45 (13.2) | 9 (3.2) | |
Referral Reason | |||
Symptoms suggestive of TB | 22 (6.5) | 4 (1.4) | 0.002 |
Significant TB exposure | 17 (5.0) | 12 (4.3) | 0.84 |
TST ≥ 10 mm | 191 (56.0) | 186 (67.1) | 0.005 |
TST conversion | 69 (20.2) | 54 (19.5) | 0.84 |
Symptoms and TST conversion | 1 (0.3) | 0 (0.0) | N.A |
Contact and TST ≥ 10 mm | 2 (0.6) | 0 (0.0) | N.A |
Symptoms and TST ≥ 10 mm | 8 (2.3) | 2 (0.7) | 0.19 |
Symptoms and TB contact | 2 (0.6) | 0 (0.0) | N.A |
Self-referral | 2 (0.6) | 8 (2.9) | 0.04 |
Weight loss ≥ 2 weeks | |||
Yes | 9 (2.6) | 1 (0.4) | |
No | 332 (97.4) | 276 (99.6) | 0.02 |
Haemoptysis | |||
Yes | 4 (1.2) | 2 (0.7) | |
No | 337 (98.8) | 275 (99.3) | 0.69 |
Cough ≥ 2 weeks | |||
Yes | 38 (11.1) | 10 (3.6) | |
No | 303 (88.9) | 267 (96.4) | <0.001 |
Fever ≥ 2 weeks | |||
Yes | 18 (5.3) | 6 (2.2) | |
No | 323 (94.7) | 271 (97.8) | 0.05 |
Night sweats ≥ 2 weeks | |||
Yes | 6 (1.8) | 1 (0.4) | |
No | 335 (98.2) | 276 (99.6) | 0.13 |
Subject diagnosed as Pulmonary TB prior to DGW visit | |||
Yes | 1 (0.3) | 1 (0.4) | |
No | 340 (99.7) | 276 (99.6) | 1.0 |
Significant TB exposure | |||
Yes | 35 (10.3) | 34 (12.3) | |
No | 306 (89.7) | 243 (87.7) | 0.44 |
Caste | |||
Dalit/ Harijan (socially disadvantaged community) | 68 (19.9) | 44 (15.9) | |
Others | 273 (80.1) | 233 (84.1) | 0.20 |
Mother’s education | |||
Illiterate | 147 (43.1) | 127 (45.8) | |
Primary education or more | 193 (56.6) | 149 (53.8) | 0.51 |
Father’s education | |||
Illiterate | 82 (24.0) | 78 (28.2) | |
Primary education or more | 258 (75.7) | 196 (70.8) | 0.23 |
Type of house walls | |||
Brick | 272 (79.8) | 235 (84.8) | |
Others | 69 (20.2) | 42 (15.2) | 0.11 |
Type of cooking fuel | |||
Wood | 283 (83.0) | 236 (85.2) | |
Others | 58 (17.0) | 41 (14.8) | 0.14 |
Final Diagnosis | |||
Definite TB | 4 (1.2) | 4 (1.4) | 1.0 |
Radiological evidence of TB | 4 (1.2) | 2 (0.7) | 0.69 |
NTM isolated | 71 (20.8) | 48 (17.3) | 0.30 |
Negative for Pulmonary TB | 254 (74.5) | 217 (78.3) | 0.29 |