Table 4 Factors associated with TB infectious period in East Gojjam zone, Ethiopia, 2018

Age in years

<  35

106(30.5)

120 (34.5)

0.75 [0.48–1.17]

–

≥ 35

66 (19.0)

56 (16.0)

1

Sex

Male

108(31.0)

101 (29.0)

1.25 [0.82–1.93]

–

Female

64 (18.4)

75 (21.6)

1

Religion

Orthodox

144(41.4)

162(46.6)

0.44 [0.23–0.88]

–

Muslim

28 (8.0)

14 (4.0)

1

Marital status

Single

81 (23.3)

96 (27.5)

0.80 [0.52–1.64]

–

Married

72 (20.7)

71 (20.4)

0.30 [0.20–1.12]

Divorced

19 (5.5)

9 (2.6)

1

Education level

Unable to read/write

55 (15.8)

74 (21.3)

0.53 [0.41–1.24]

–

Primary (1–8)

55 (15.8)

53 (15.3)

0.81 [0.42–1.56]

Secondary (9–12)

41 (11.8)

35 (10.0)

0.67 [0.34–1.68]

College and above

21 (6.0)

14 (4.0)

1

Residence

Rural

25(36.0)

80 (23.0)

3.20 [1.94–4.73]

2.95 [1.755.00]

Urban

47 (13.5)

96 (27.5)

1

1

Occupation

Farmer

71 (20.4)

72 (20.7)

0.69 [0.29–1.67]

–

Daily laborer

53 (15.3)

58 (16.7)

0.66 [0.27–1.62]

Driver

19 (5.5)

23 (6.6)

0.68 [0.24–1.91]

Merchant

15 (4.3)

13 (3.7)

0.78 [0.25–2.33]

Employed

14 (4.0)

10 (2.8)

1

Monthly income

≤ 500 birr

66 (19.0)

80 (23.0%)

0.75 [0.50–1.15]

–

> 500 birr

106(30.5)

96 (27.5%)

1

Family size

≤ 3

131(37.6)

134 (38.5)

1.10 [0.61–1.64]

–

>  3

41 (11.8)

42 (12.1)

1

Distance from

≤ 2 h

79 (22.7)

109 (31.3)

0.52 [0.34–0.80]

0.40 [0.240.66]

facility

>  2 h

93 (26.7)

67 (19.3)

1

1

Contact history

Yes

65 (18.7)

71 (20.4)

0.89 [0.58–1.38]

–

No

107(30.7)

105 (30.2)

1

Cough presence

Yes

158(45.4)

153 (44.0)

1.70 [0.84–3.42]

–

No

14 (4.0)

23 (6.6)

1

Forms of TB

Smear positive PTB

105(30.2)

41 (11.8)

5.16 [3.24–8.21]

4.32 [2.517.43]

Smear negative PTB

67 (19.2)

135 (38.8)

1

1

First action to

Visit informalfacility

73 (21.0)

77 (22.5)

0.95 [0.62–1.45]

–

TB

Visit formal facility

99 (28.7)

99 (27.8)

1

Knowledge of

Good

53 (15.3)

87 (25.0)

0.46 [0.30–0.71]

0.36 [0.210.62]

TB

Poor

119(34.2)

89 (25.5)

1

1

Comorbidity

Yes

53 (15.3)

24 (6.9)

2.82 [1.65–4.83]

2.65 [1.415.00]

No

119(34.2)

152 (43.6)

1

1

Smoking history

Yes

59 (17.0)

28 (8.0)

2.76 [1.65–4.61]

2.43 [1.204.93]

No

113(32.5)

148 (42.5)

1

Chat chewing

Yes

46 (13.2)

45 (13.0)

1.10 [0.67–1.72]

–

No

126(36.2)

131 (37.6)

1

Alcohol history

Yes

74 (21.2)

34 (9.8)

3.15 [1.95–5.10]

2.98 [1.506.00]

No

98 (28.2)

142 (40.8)

1

1

Type of facility

PHCU

124(35.6)

128 (36.8)

0.96 [0.61–1.55]

–

Hospital

48 (13.8)

48 (13.8)

1

Stigma

Yes

124(35.6)

90 (25.9)

2.47 [1.58–3.85]

2.01 [1.203.41]

No

48 (13.8)

86 (24.7)

1

1