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Table 4 Results of the two continuous secondary outcomes

From: The effect of chiropractic care on infantile colic: results from a single-blind randomised controlled trial

  Treatment group
N = 96
Control group
N = 89
Difference in mean
(95% CI)
p-value p-value* p-value**
Mean hours of sleep (95% CI)
 Before treatment 11.6 (11.1–12.1) 11.9 (11.4–12.3) −0.2 (− 0–2; 0.7) 0.272 0.461 0.464
 After treatment 12.4 (12.1–12.8) 12.5 (12.1–12.9)
 Pre-post difference* 0.9 (0.6–1.2) 0.6 (0.3–0.9)
Mean hours when awake and content (95% CI)
 Before treatment 3.2 (2.8–3.5) 3.3 (3.0–3.7) 0.3 (−0.0; 0.6) 0.081 0.088 0.105
 After treatment 4.0 (3.7–4.4) 3.9 (3.5–4.3)
 Pre-post difference 0.9 (0.6–1.1) 0.6 (0.4–0.8)
  1. N Number of children; CI Confidence Interval; *: adjusted for baseline hours of crying; **: adjusted for baseline hours of crying, age and chiropractic clinic