The association between pregnancy, pelvic girdle pain and health-related quality of life – a comparison of two instruments

Journal of Patient-Reported Outcomes

Table 4 Correlations of corresponding dimensions of SF-36 and NHP

	Participants clinically examined (N = 283)	Without PGP (n = 104)	With PGP (n = 179)	With less severe PGP (n = 155)	With severe PGP (n = 24)
VT/EN	−0.589**	−0.630**	−0.537**	−0.566**	−0.262
BP/P	−0.771**	− 0.519**	− 0.686**	− 0.656**	− 0.684**
MH/EM	− 0.482**	− 0.442**	− 0.495**	−0.470**	− 0.615**
SF/SI	0.049	−0.058	0.079	0.076	0.064
PF/PM	−0.742**	−0.554**	− 0.724**	−0.697**	− 0.530**

** p < 0.001 * 0.008 ≤ p < 0.002
SF-36 Short-Form 36 (0–100, 100 is best), NHP Nottingham Health Profile (0–100, 0 is best), PGP Pelvic Girdle Pain, VT Vitality, EN Loss of Energy, BP Bodily Pain, P Pain, MH Mental health, EM Emotional reactions, SF Social functioning, SI Social isolation, PF Physical functioning, PM Physical mobility