Table 2.

Bivariate correlations between PROMIS-10 and RAND-36

	RAND-36		n
	PCS	MCS
PROMIS-10
PH	0.82* (0.70 to 0.90)	–	71
MH	–	0.70* (0.57 to 0. 82)	73
PROMIS-10 (paper-and-pencil)
PH	0.88* (0.78 to 0.93)	–	33
MH	–	0.70* (0.54 to 0.84)	35
PROMIS-10 (telephone)
PH	0.77* (0.54 to 91)	–	38
MH	–	0.70* (0.50 to 0.86)	38

*P<0.01. BCa bootstrap 95% CIs reported in brackets.

MCS, mental component score; MH, mental  health; PCS, physical component score; PH, physical health; PROMIS-10, Patient-Reported Outcomes Measurement Information System 10-Question Short Form.