Table 2

Frequencies and bivariate logistic regression of behavioural variables of tuberculosis patients (N = 300) and controls (N = 300)
Variable Controls N (%) Cases N (%) Bivariate logistic regression
OR (95% CI)
Being in prison/ pre-trial detention centre*
 No 286 (95.7) 280 (93.3) 1
 Yes 13 (4.3) 20 (6.7) 1.58 (0.77-3.26)
Contact with tuberculosis
 No 212 (70.7) 170 (56.7) 1
 Yes 88 (29.3) 130 (43.3) 1.91 (1.34-2.73)
Smoking status*
 Never 151 (50.3) 93 (31.1) 1
 Ex-smoker 81 (27.0) 99 (33.1) 2.55 (1.60-4.05)
 Current 68 (22.7) 107 (35.8) 3.14 (1.98-4.98)
Age of starting to smoke, years old
 ≥ 25 10 (6.7) 6 (2.9) 1
 20-24 38 (25.5) 26 (12.6) 0.78 (0.13-4.88)
 ≤19 101 (67.8) 174 (84.5) 3.17 (0.58-17.33)
Average number of cigarettes daily
 1-10 50 (34.0) 18 (8.8) 1
 11-20 64 (43.5) 108 (52.7) 14.05 (3.31-59.71)
 ≥21 33 (22.4) 79 (38.5) 17.18 (3.80-77.61)
Total smoking time, years
 ≤10 32 (21.5) 25 (12.1) 1
 11-20 45 (30.2) 44 (21.4) 1.46 (0.53-4.07)
 ≥21 72 (48.3) 137 (66.5) 6.06 (1.81-20.27)
Passive smoking (for non-smokers)
 No 88 (58.3) 37 (39.8) 1
 Yes 63 (41.7) 56 (60.2) 2.86 (1.21-6.76)
Alcohol consumption
 Non-consumer 145 (48.3) 125 (41.7) 1
 Ex-consumer 25 (8.3) 35 (11.7) 1.71 (0.97-3.03)
 Current consumer 130 (43.3) 140 (46.7) 1.38 (0.93-2.05)
Frequency of alcohol consumption, last 12 months
 Less than once a week 44 (28.4) 26 (14.9) 1
 At least once a week 59 (38.1) 69 (39.4) 2.42 (0.97-6.07)
 Daily 52 (33.5) 80 (45.7) 3.86 (1.56-9.55)
Being ever drunk
 No 169 (56.3) 162 (54.0) 1
 Yes, rarely 112 (37.3) 107 (35.7) 1.03 (0.70-1.52)
 Yes, often 19 (6.3) 31 (10.3) 1.78 (0.93-3.43)
Ever used drugs
No 293 (97.7) 285 (95.0) 1
Yes 7 (2.3) 15 (5.0) 2.14 (0.87-5.25)
Illicit drug use
 No 299 (99.7) 297 (99.0) 1
 Yes 1 (0.3) 3 (1.0) 3.00 (0.31-28.84)

*One missing value.

OR = Odds ratio, CI = Confidence interval.

Jurcev-Savicevic et al.

Jurcev-Savicevic et al. BMC Public Health 2013 13:991   doi:10.1186/1471-2458-13-991

Open Data