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Table 1 Predictors of missing data at 4 months

From: Assessing loss to follow-up in the MObile Technology for Improved Family Planning (MOTIF) randomised controlled trial

 

Followed up (n = 431)

LTFU (n = 69)

Crude OR

p Value

Adjusted ORa

p Value

Age group

 Age > 25 years (r)

306 (89%)

37 (11%)

1.00

   

 Age < 25 years

125 (80%)

32 (20%)

2.12 (1.26–3.55)

0.004

2.31 (1.36–3.92)

0.002

Residence

 Rural (r)

279 (87%)

42 (13%)

1.00

   

 Urban

152 (85%)

27 (15%)

1.18 (0.70–1.99)

0.535

1.11 (0.65–1.90)

0.699

Socio-economic status

 Access to motorised transport (r)

381 (88%)

54 (12%)

1.00

   

 No access to motorised transport

50 (77%)

15 (23%)

2.12 (1.11–4.03)

0.022

2.44 (1.26–4.72)

0.008

Education

 Secondary or above (r)

263 (87%)

41 (13%)

1.00

   

 None or primary

168 (86%)

28 (14%)

1.07 (0.64–1.79)

0.800

1.14 (0.64–2.02)

0.665

Marital status

 Married/living together (r)

403 (87%)

61 (13%)

1.00

   

 Never married or living together

23 (79%)

6 (21%)

1.72 (0.67–4.40)

0.255

1.32 (0.51–3.43)

0.573

 Divorced/separated

5 (71%)

2 (29%)

2.64 (0.50–13.92)

0.252

1.31 (0.22–7.75)

0.769

No. of living children

 1 or more (r)

312 (88%)

41 (12%)

1.00

   

 0

119 (81%)

28 (19%)

1.79 (1.06–3.03)

0.030

1.31 (0.71–2.42)

0.382

No. of previous abortions

 0 (r)

254 (85%)

45 (15%)

1.00

   

 1 or more

177 (88%)

24 (12%)

0.77 (0.45–1.30)

0.324

0.91 (0.52–1.57)

0.724

Contraception decision-making

 Joint decision (r)

257 (89%)

33 (11%)

1.00

   

 Mainly participant

79 (82%)

17 (18%)

1.68 (0.89–3.17)

0.112

1.76 (0.91–3.37)

0.091

 Mainly husband/partner

66 (85%)

12 (15%)

1.42 (0.69–2.89)

0.340

1.58 (0.76–3.26)

0.220

Mobile phone access

 Never shares (r)

225 (87%)

34 (13%)

1.00

   

 Shares

206 (85%)

35 (15%)

1.12 (0.68–1.87)

0.651

1.21 (0.72–2.03)

0.474

Disclosure of abortion to others

 Yes (r)

174 (85%)

30 (15%)

1.00

   

 No

32 (86%)

5 (14%)

0.91 (0.33–2.51)

0.850

1.10 (0.39–3.16)

0.853

PAFP intentions

 Yes (r)

166 (89%)

21 (11%)

1.00

   

 No

31 (74%)

11 (26%)

2.80 (1.23–6.39)

0.014

2.34 (1.00–5.46)

0.050

 Undecided

234 (86%)

37 (14%)

1.25 (0.71–2.21)

0.444

1.13 (0.63–2.01)

0.689

Fertility plans

 No more/none (r)

123 (88%)

16 (12%)

1.00

   

 Have a/another child

261 (85%)

47 (15%)

1.38 (0.75–2.54)

0.293

1.00 (0.50–1.96)

0.990

 Undecided

47 (89%)

6 (11%)

0.98 (0.36–2.66)

0.971

0.88 (0.32–2.45)

0.810

Abortion method

 Medical (r)

178 (86%)

29 (14%)

1.00

   

 Surgical

253 (86%)

40 (14%)

0.97 (0.58–1.62)

0.909

1.00 (0.59–1.70)

0.990

Phone credit

 Always (r)

158 (88%)

21 (12%)

1.00

   

 Usually

102 (80%)

26 (20%)

1.92 (1.02–3.59)

0.042

1.71 (0.90–3.24)

0.101

 Sometimes

171 (89%)

22 (11%)

0.97 (0.51–1.83)

0.920

0.88 (0.45–1.71)

0.705

Friend/family contact provided

 Yes (r)

338 (88%)

44 (12%)

1.00

   

 No

93 (79%)

25 (21%)

2.07 (1.20–3.55)

0.009

2.40 (1.37–4.21)

0.002

No. of phone numbers provided

 Two or more (r)

128 (89%)

16 (11%)

1.00

   

 One

303 (85%)

53 (15%)

1.40 (0.77–2.54)

0.269

1.42 (0.77–2.59)

0.261

Randomisation

 Intervention (r)

211 (85%)

38 (15%)

1.00

   

 Control

220 (88%)

31 (12%)

0.78 (0.47–1.30)

0.346

0.81 (0.48–1.37)

0.431

  1. LTFU Loss to follow-up, PAFP Post-abortion family planning, (r): Reference category
  2. aAdjusted for age and SES. P values less than 0.05 were regarded as significant. Analyses were undertaken using STATA 13.1 software (StataCorp, College Station, TX, USA)