Table 4.

Crude and adjusted odds ratios (95% CI) of suffering scapular/arm pain when comparing own and each trial pillow, and when comparing the trial polyester pillow with the other trial pillows

		No scapular/arm pain versus any scapular/arm pain	Short term versus longer term scapular/arm pain
Compared with ‘own’ pillow
Polyester	crude	1.4 (0.6–3.5)	2.7 (0.7–10.3)
	adjusted	1.4 (0.6–3.4)	2.5 (0.6–9.9)
Foam regular	crude	1.0 (0.4–2.5)	2.6 (0.7–9.9)
	adjusted	0.9 (0.4–2.6)	2.6 (0.7–9.1)
Foam contour	crude	1.4 (0.6–3.2)	2.5 (0.7–9.2)
	adjusted	1.4 (0.6–3.2)	2.5 (0.7–9.3)
Feather	crude	2.6 (1.1–6.1)	4.5 (0.9–10.4)
	adjusted	2.5 (1.1–5.9)	4.0 (0.9–9.4)
Latex	crude	0.6 (0.2–1.6)	3.0 (0.5–9.7)
	adjusted	0.6 (0.2–1.7)	2.9 (0.5–9.8)
Compared with polyester pillow
Foam regular	crude	0.7 (0.3–1.6)	0.6 (0.1–2.6)
	adjusted	0.7 (0.3–1.7)	0.8 (0.3–3.1)
Foam contour	crude	1.0 (0.5–2.1)	1.7 (0.3–9.6)
	adjusted	1.0 (0.5–2.1)	2.3 (0.3–11.9)
Feather	crude	1.8 (0.9–3.2)	1.7 (0.4–7.1)
	adjusted	1.8 (0.8–3.1)	1.4 (0.3–6.3)
Latex	crude	0.4 (0.2–1.0)	1.4 (0.3–6.2)
	adjusted	0.4 (0.2–1.1)	1.2 (0.3–5.7)

Notes: Significant findings are in bold type.