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Table 2 Association between baseline variables and interaction with intervention

From: Process evaluation of a mobile phone-based intervention to support post-abortion contraception in Cambodia

 

Never pressed '1'

Ever pressed '1'

Crude OR

p value

Adjusted ORa

P value

 

N = 127

N = 122

    

Age group

 Age <25 (r)

53 (60%)

35 (40%)

1.00

   

 Age >25

74 (46%)

87 (54%)

1.78 (1.05-3.02)

0.032

1.06 (0.52-2.19)

0.864

Residence (urban/rural)

 Urban (r)

48 (56%)

37 (44%)

1.00

   

 Rural

79 (48%)

85 (52%)

1.40 (0.82-2.36)

0.215

1.49 (0.86-2.59)

0.153

Socio-economic status

 Access to motorised transport (r)

119 (54%)

102 (46%)

1.00

   

 No access to motorised transport

8 (29%)

20 (71%)

2.92 (1.23-6.90)

0.015

3.36 (1.35-8.40)

0.009

Education

 Secondary or above (r)

85 (54%)

71 (46%)

1.00

   

 None or primary

42 (45%)

51 (55%)

1.45 (0.87-2.44)

0.155

1.02 (0.58-1.80)

0.936

Marital status

 Never married or living together (r)

12 (80%)

3 (20%)

1.00

   

 Married/living together

112 (48%)

119 (52%)

4.25 (1.17-15.46)

0.028

3.13 (0.76-12.91)

0.091

 Divorced/separated

3 (100%)

0 (0%)

1.00 (.-.)

.

1.00 (.-.)

# living children

 0 (r)

51 (65%)

28 (35%)

1.00

   

 1 or more

76 (45%)

94 (55%)

2.25 (1.30-3.91)

0.004

2.24 (1.07-4.72)

0.033

# previous abortions

 0 (r)

81 (56%)

63 (44%)

1.00

   

 1 or more

46 (44%)

59 (56%)

1.65 (0.99-2.74)

0.053

1.68 (0.96-2.94)

0.067

# previous abortions

 0

81 (56%)

63 (44%)

1.00

   

 1

36 (52%)

33 (48%)

1.18 (0.66-2.10)

0.576

1.26 (0.68-2.33)

0.014

 2 or more

10 (28%)

26 (72%)

3.34 (1.50-7.44)

0.003

3.49 (1.45-8.40)

Previous contraception use

 No (r)

57 (54%)

49 (46%)

1.00

   

 Yes

70 (49%)

73 (51%)

1.21 (0.73-2.01)

0.452

1.00 (0.57-1.74)

0.997

Contraception decision-making

 Joint decision (r)

70 (51%)

68 (49%)

1.00

   

 Mainly participant

26 (47%)

29 (53%)

1.15 (0.61-2.15)

0.665

0.89 (0.45-1.76)

0.931

 Mainly husband/partner

17 (45%)

21 (55%)

1.27 (0.62-2.62)

0.514

1.06 (0.48-2.35)

Mobile phone access

 Never shares (r)

65 (52%)

61 (48%)

1.00

   

 Shares

62 (50%)

61 (50%)

1.05 (0.64-1.72)

0.852

0.99 (0.59-1.68)

0.979

Disclosure of abortion to others

 No (r)

10 (59%)

7 (41%)

1.00

   

 Yes

52 (49%)

54 (51%)

1.48 (0.53-4.19)

0.457

1.14 (0.36-3.56)

0.825

PAFP intentions

 No (r)

14 (78%)

4 (22%)

1.00

   

 Undecided

68 (49%)

72 (51%)

3.71 (1.16-11.82)

0.027

2.69 (0.80-9.12)

0.248

 Yes

45 (49%)

46 (51%)

3.58 (1.09-11.70)

0.035

2.46 (0.71-8.55)

Fertility plans

 Have a/another child (r)

82 (53%)

73 (47%)

1.00

   

 No more/none

34 (50%)

34 (50%)

1.12 (0.63-1.99)

0.690

0.67 (0.34-1.31)

0.388

 Undecided

11 (42%)

15 (58%)

1.53 (0.66-3.55)

0.319

1.15 (0.46-2.86)

Abortion method

 Surgical (r)

80 (54%)

67 (46%)

1.00

   

 Medical

47 (46%)

55 (54%)

1.40 (0.84-2.32)

0.196

1.85 (1.06-3.22)

0.030

Phone credit

 Always (r)

53 (55%)

44 (45%)

1.00

   

 Usually

38 (58%)

27 (42%)

0.86 (0.45-1.61)

0.631

0.91 (0.47-1.77)

0.480

 Sometimes

36 (41%)

51 (59%)

1.71 (0.95-3.06)

0.073

1.35 (0.73-2.52)

  1. aAdjusted for age, socio-economic status, residence, education and number of living children