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Table 2 Univariate analysis of association between influencing factors and treatment adherence (n = 481)

From: Are tuberculosis patients adherent to prescribed treatments in China? Results of a prospective cohort study

Variables

Total n

Adherent

OR (95 % CI)

P value

 

Yes, n (%)

No, n (%)

  

Gender

     

 Male

326

199 (61.0)

127 (39.0)

1.00

 

 Female

155

109 (70.3)

46 (29.7)

0.66 (0.44-0.99)

0.047 f

Age (in years)

     

 ≤18

43

23 (53.5)

20 (46.5)

1.00

 

 19–49

297

199 (67.1)

98 (32.9)

0.57 (0.30-1.08)

0.820

 ≥50

141

86 (61.0)

55 (39.0)

0.74 (0.37-1.46)

0.381

Occupationa

     

 Farmer

86

57 (66.3)

29 (33.7)

1.00

 

 Employed worker

166

105 (63.3)

61 (36.8)

1.14 (0.66-1.97)

0.635

 Student

65

40 (61.5)

25 (38.5)

1.31 (0.67-2.56)

0.427

 Laid-off or unemployed

85

57 (67.1)

28 (32.9)

0.97 (0.51-1.82)

0.914

 Others

79

49 (62.0)

30 (38.0)

1.20 (0.64-2.28)

0.569

Educational level

     

 Primary school or below

120

69 (57.5)

51 (42.5)

1.00

 

 Junior middle school

154

102 (66.2)

52 (33.8)

0.69 (0.42-1.13)

0.139

 High school and above

207

137 (66.2)

70 (33.8)

0.69 (0.44-1.10)

0.127

Marital status

     

 Married

360

230 (63.9)

130 (36.1)

1.00

 

 Unmarried

106

67 (57.6)

39 (42.5)

1.03 (0.66-1.61)

0.898

 Divorced/loss of spouse

15

11 (73.3)

4 (26.7)

0.64 (0.20-2.06)

0.455

Annual per capita income (RMB)b

     

 ≤9000

198

118 (59.6)

80 (40.4)

1.00

 

 9000-18000

193

128 (66.3)

65 (33.7)

0.75 (0.50–1.13)

0.169

 ≥18000

78

51 (65.4)

27 (34.6)

0.78 (0.45–1.35)

0.374

Study site

     

 CC

101

65 (64.4)

36 (35.6)

1.00

 

 SS

185

128 (69.2)

57 (30.8)

0.79 (0.48–1.31)

0.146

 YY

195

115 (59.0)

80 (41.0)

1.26 (0.76–2.07)

0.369

Residence statusc

     

 Local residents

422

275 (65.2)

147 (34.8)

1.00

 

 Migrant workers

59

33 (55.9)

26 (44.1)

1.47 (0.85–2.56)

0.106

Time spending to TB care institution

     

 ≤ One hour

284

191 (67.3)

93 (32.8)

1.00

 

 > One hour

197

117 (59.4)

80 (40.6)

1.43(0.98–2.09)

0.060

Health insurance

     

 Yes

387

241 (62.3)

146 (37.7)

1.00

 

 No

94

67 (71.3)

27 (28.7)

0.67 (0.41–1.09)

0.103

Pulmonary TB type

     

 Smear-positive

156

105 (67.3)

51 (32.7)

1.00

 

 Smear-negative

325

203 (62.5)

122 (37.5)

1.24 (0.83–1.85)

0.300

TB-related education by physicians

     

 Yes

280

188 (67.1)

92 (32.9)

1.00

 

 No

201

120 (62.7)

81 (37.3)

1.38 (0.952.01)

0.093

Treatment observation

     

 Self-administrated

414

278 (67.2)

136 (32.9)

1.00

 

 Family members

55

18 (32.7)

37 (67.3)

4.20 (2.31–7.65)

<0.001

 Primary health workers

12

11 (91.7)

1 (8.3)

0.67 (0.63–0.72)

<0.001

Regular supervision contact

     

 No supervision contact

152

67 (44.1)

85 (55.9)

1.00

 

 Home visit

38

36 (94.7)

2 (5.3)

0.44 (0.01–0.19)

<0.001

 Telephone call

291

205 (70.5)

86 (29.6)

0.33 (0.22–0.50)

<0.001

Adverse effectsd

     

 Yes

123

80 (65.0)

43 (35.0)

1.00

 

 No

358

228 (63.7)

130 (36.3)

1.06 (0.69–1.63)

0.787

Monthly treatment coste (CNY)

     

 ≤450

246

172 (69.9)

74 (30.1)

1.00

 

 >450

235

136 (57.9)

99 (42.1)

1.69 (1.16–2.46)

0.006

  1. aIn the occupation category, employed workers include factory worker, building worker, food service staff, driver, administrative sector staff and teacher; others include individual peddler, freelance and retired staff
  2. bAnnual per capita income refers to ‘Chongqing Statistic Yearbook’ [Chongqing statistical yearbook (in Chinese). Chongqing: China Statistics Bureau Press; 2013], the annual income levels of urban and rural areas were categorized into middle-income (CNY 18000) and low-income (CNY 9000). A total of 12 patients did not fill in this blank
  3. cLocal residents in our study mean the patients have lived and worked in the study sites for at least 12 months; migrant workers refer to the patients temporarily living in the study sites and receiving treatment but may move along with floating work at any time
  4. dAdverse effects include nausea or vomiting, hands or feet numbness, dizziness, headaches, insomnia, skin rash, etc
  5. eTreatment cost include direct expenditure on self-paid TB drugs, liver protecting drugs, cough remission drugs, traveling, accommodation and nourishment. 450 RMB is the median cost
  6. fVariables with a P-value less than or close to 0.10 in the univariate analysis were included in the multivariate logistic regression analysis