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Table 3 Univariate analysis of sociodemographic and service-related characteristics associated with recurrent Chlamydia trachomatis infection among female and male soldiers, Fort Bragg, 2005-2010

From: Chlamydia trachomatis infection rates among a cohort of mobile soldiers stationed at Fort Bragg, North Carolina, 2005–2010

   

Female

     

Male

   
 

Total (n = 890)

PY (total = 864.25)

 

Reinfected (total n = 140) n (%)

Hazard ratio

95% CI

Total (n = 1214)

PY (total = 1149.05)

 

Reinfected (total n = 83) n (%)

Hazard ratio

95% CI

Age (years)

            

  17-20

281

282.50

65

(46)

3.33

(1.76-6.31)

211

224.28

25

(30)

2.42

( 1.26-4.65)

  21-25

453

425.74

64

(46)

2.13

(1.12-4.05)

710

622.89

44

(53)

1.43

(0.78-2.61)

  26-67

156

156.02

11

(8)

1.00

 

293

301.88

14

(17)

1.00

 

Race/ethnicity

            

  Non-white

554

544.90

96

(68)

1.27

(0.89-1.82)

649

618.79

54

(66)

1.62

(1.03-2.56)

  Black

374

359.95

66

(47)

1.31

(0.89-1.92)

454

419.25

41

(50)

1.79

(1.10-2.89)

  Hispanic

116

115.33

20

(14)

1.26

(0.74-2.14)

148

151.29

12

(15)

1.53

(0.78-3.01)

  Other

64

69.62

10

(7)

1.08

(0.54-2.14)

47

48.25

1

(1)

0.41

(0.05-2.98)

  White

325

310.78

44

(31)

1.00

 

558

520.43

28

(34)

1.00

 

  Unknown

11

8.58

0

(0)

  

7

9.82

1

   

Grade

            

  E1-E4

800

754.99

135

(96)

3.72

(1.52-9.08)

1042

959.94

70

(84)

0.99

(0.54-1.78)

  E5+

90

109.27

5

(4)

1.00

 

172

189.11

13

(16)

1.00

 

Education

            

  High school or less

794

758.43

132

(84)

5.13

(1.63-16.12)

1111

1047.01

74

(74)

0.94

(0.41-2.16)

  Some college or higher

81

90.61

3

(16)

1.00

 

76

84.11

6

(26)

1.00

 

  Unknown

15

15.22

5

   

27

17.93

3

   

Marital status

            

  Single

647

611.94

104

(82)

1.18

(0.80-1.72)

885

799.72

68

(98)

1.87

(1.07-3.27)

  Non-single

242

251.09

36

(18)

1.00

 

329

349.33

15

(2)

1.00

 

History of prior PCS

            

  0-3

709

689.73

121

(86)

1.63

(1.04-2.64)

914

852.45

65

(78)

1.23

(0.73-2.07)

  >3

181

174.53

19

(14)

1.00

 

300

296.60

18

(22)

1.00

 

Breaks in duty at Ft. Bragg

            

  Yes

46

62.23

3

(2)

0.29

(0.09-0.92)

59

85.79

2

(2)

0.35

(0.09-1.43)

  No

844

802.03

137

(98)

1.00

 

1155

1063.26

81

(98)

1.00

 

History of prior deployments

            

  1-3

168

144.94

9

(6)

0.33

(0.17-0.65)

478

379.33

30

(64)

1.04

(0.66-1.63)

  None

722

719.32

131

(94)

1.00

 

736

769.72

53

(36)

1.00

 

GC diagnosis at initial Ct infection

            

  Yes

49

45.11

10

(7)

1.38

(0.73-2.64)

91

79.11

8

(10)

1.38

(0.66-2.86)

  No

841

819.15

130

(93)

1.00

 

1123

1069.93

75

(90)

1.00

 

Months in service at entry

            

  0 to 24

541

560.15

103

(74)

1.59

(1.09-2.32)

510

530.55

46

(55)

1.54

(1.00-2.37)

  25 to 292

349

304.11

37

(26)

1.00

 

704

618.50

37

(45)

1.00

 

Primary occupation specialty at entry

            

  Combat

106

110.07

9

(6)

0.49

(0.25-0.96)

317

299.18

24

(29)

1.16

(0.72-1.86)

  Other

784

754.19

131

(94)

1.00

 

897

849.87

59

(71)

1.00

 
  1. Note: CI - confidence interval; Other marital status - married, other; Other race/ethnicity - other, Asian/Pacific Islander, American Indian/Alaskan native; PCS - permanent change in station.