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

doi:10.1186/s12998-021-00371-8

Table 4

Results of the two continuous secondary outcomes

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)

N Number of children; CI Confidence Interval; *: adjusted for baseline hours of crying; **: adjusted for baseline hours of crying, age and chiropractic clinic

	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)