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Table 1 Frequencies and bivariate logistic regression of demographic and socioeconomic variables of tuberculosis patients (N = 300) and controls (N = 300)

From: Risk factors for pulmonary tuberculosis in Croatia: a matched case–control study

Variable

Controls N (%)

Cases N (%)

Bivariate logistic regression

   

OR (95% CI)

Marital status

   

 With partner

205 (68.3)

174 (58)

1

 Single

95 (31.7)

126 (42)

1.79 (1.21-2.65)

Country of birth of parents

   

 Croatia

261 (87)

209 (69.7)

1

 Bosnia and herzegovina

31 (10.3)

73 (24.3)

2.86 (1.79-4.59)

 Other

8 (2.7)

18 (6.0)

2.82 (1.15-6.93)

Nationality

   

 Croatian

283 (94.3)

271 (90.3)

1

 Other

17 (5.7)

29 (9.7)

2.33 (1.07-5.09)

Level of education

   

 Higher education

55 (18.3)

29 (9.7)

1

 Secondary school

165 (55.0)

126 (42.0)

1.53 (0.88-2.67)

 No schooling or only elementary school

80 (26.7)

145 (48.3)

5.55 (2.89-10.65)

Housing *

   

 Ownership

282 (90.4)

257 (86.5)

1

 Homeless/ institution/ subtenant

18 (6.0)

40 (13.5)

2.69 (1.42-5.09)

Crowding*†

   

 Yes

139 (46.6)

94 (34.2)

1

 No

159 (53.4)

181 (65.8)

1.72 (1.21-2.44)

Household equipment*

   

 Good

190 (63.3)

100 (33.4)

1

 Moderate

103 (34.3)

155 (51.8)

4.16 (2.64-6.57)

 Poor

7 (2.3)

44 (14.7)

18.82 (7.33-48.33)

Central water supply

   

 Yes

265 (88.3)

245 (81.7)

1

 No

35 (11.7)

55 (18.3)

1.83 (1.11-3.01)

Central sewage system

   

 Yes

198 (66.0)

185 (61.7)

1

 No

102 (34.0)

115 (38.3)

1.24 (0.87-1.76)

Employment

   

 Employed

136 (45.3)

104 (34.7)

1

 Unemployed

22 (7.3)

70 (23.3)

3.82 (2.17-6.70)

 Housewife/ retired/ student/ other

142 (47.3)

126 (42.0)

1.11 (0.66-1.86)

Total personal monthly income‡

   

 > Average salary

55 (18.5)

37 (12.6)

1

 Minimal –average salary

137 (46.0)

104 (35.4)

1.05 (0.65-1.70)

 ≤ Minimal salary

106 (35.6)

153 (52.0)

2.07 (1.26-3.40)

Food shortage

 No

288 (96.0)

274 (91.3)

1

 Yes

12 (4.0)

26 (8.7)

2.17 (1.09-4.29)

  1. * Missing values.
  2. † Defined as less than one inhabitable room per person.
  3. ‡ According to the Croatian Bureau of Statistics.
  4. OR = Odds ratio, CI = Confidence interval.