Table 6 Sensitivity analysis of patients with or without follow up measures^ (Mean ± standard deviation (SD)/count (col %)).

From: Chronic musculoskeletal pain prospectively predicts insomnia in older people, not moderated by age, gender or co-morbid illnesses

 

Patients with follow up measures (n = 498)

Patients without follow up measures (n = 220)

OR (95% CI)†,Ψ

P-value

Age (years)

69.19 ± 6.26

71 ± 7.35

0.962 (0.939, 0.986)

 < 0.01

Gender (male = ref.)

134 (26.9%)

67 (30.5%)

1.162 (0.804, 1.679)

0.424

BMI (kg/m2)‡

23.96 ± 3.55

24.59 ± 3.47

0.950 (0.908, 0.994)

 < 0.05

No. of comorbid diseases

4.18 ± 1.85

4.25 ± 1.85

1.011 (0.922, 1.110)

0.811

Insomnia (score)

11.62 ± 4.85

11.30 ± 5.36

1.008 (0.974, 1.043)

0.668

MSK pain (No = ref.)

107 (21.5%)

42 (19.1%)

0.821 (0.538, 1.251)

0.359

  1. ^Abbreviations: BMI: Body Mass Index; MSK: Musculoskeletal; OR: Odds ratio; CI: Confidence interval;
  2. †Patients with or without follow up measures was categorized 1 or 0 (reference);
  3. ΨMultiple logistic regression;
  4. ‡There is a missing data because one participant is a wheelchair user and his body weight cannot be measured.
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