Table 4 Attendance and logistic regression analysis

From: Text-message reminders increase uptake of routine breast screening appointments: a randomised controlled trial in a hard-to-reach population

Comparisons

Primary end point: attendance % ( n)

OR (95% CI)

P -value

Overall attendance

61.7% (1383/2240)

Trial arm

Controla

59.12% (661/1118)

Intervention

64.35% (722/1122)

1.25 (1.05–1.48)

0.01

Age group (years)

47–49a

61.0% (547/896)

50–52

62.2% (836/1344)

1.05 (0.884–1.25)

0.55

Quintile of deprivation

Quintile 1a

70.2% (259/369)

Quintile 2

67.4% (374/555)

0.88 (0.66–1.17)

0.37

Quintile 3

61.4% (331/539)

0.68 (0.51–0.90)

<0.01

Quintile 4

53.6% (346/645)

0.49 (0.37–0.64)

<0.01

Quintile 5

55.3% (73/132)

0.53 (0.35–0.80)

<0.01

Quintile of deprivation by trial arm

 

Control a

Intervention

  

Quintile 1

73.4% (138/188)

66.9% (121/181)

0.73 (0.47–1.15)

0.18

Quintile 2

62.5% (173/277)

72.3% (201/278)

1.56 (1.09–2.23)

0.02

Quintile 3

59.6% (161/270)

63.2% (170/269)

1.16 (0.82–1.64)

0.42

Quintile 4

49.5% (157/317)

57.6% (189/328)

1.39 (1.02–1.89)

0.04

Quintile 5

48.5% (32/66)

62.1% (41/66)

1.75 (0.88–3.51)

0.11

  1. Abbreviations: CI=confidence interval; OR=odds ratio.
  2. aReference category.