Table 4.

Crude and adjusted mean differences in overall satisfaction score estimated from regression models^a

		Unadjusted mean score difference on 0–100 scale (95% CI)	P-value	Adjusted mean score difference on 0–100 scale (95% CI)^b	P-value
Length of consultation (per minute)		−0.12 (−0.45 to 0.20)	0.455	−0.14 (−0.46 to 0.18)	0.399

Patient gender	Male	Reference	0.381	Reference	0.689
Patient gender	Female	−1.35 (−4.37 to 1.67)	0.381	−0.54 (−3.21 to 2.12)	0.689

Patient age	18–24	Reference		Reference
	25–34	−0.97 (−9.94 to 7.99)		−1.12 (−10.54 to 8.30)
	35–44	4.43 (−4.62 to 13.48)		5.40 (−4.25 to 15.04)
	45–54	−4.78 (−13.84 to 4.28)		−3.80 (−13.04 to 5.45)
	55–64	4.02 (−5.64 to 13.69)	0.027	5.04 (−4.99 to 15.08)	0.028
	65–74	5.06 (−3.18 to 13.30)		6.28 (−2.11 to 14.67)
	75–84	4.77 (−4.68 to 14.22)		6.76 (−2.60 to 16.12)
	≥85	7.58 (−2.48 to 17.63)		8.24 (−1.89 to 18.37)

Patient self-rated health	Excellent	Reference		Reference
	Very good	−4.32 (−9.64 to 1.00)		−5.13 (−10.89 to 0.62)
	Fair	−3.99 (−8.76 to 0.78)	0.142	−4.80 (−10.15 to 0.55)	0.232
	Poor	−4.99 (−10.97 to 0.99)		−6.38 (−12.61 to −0.16)
	Very poor	−5.64 (−12.56 to 1.29)		−5.35 (−13.49 to 2.80)

Patient ethnicity	White	Reference	0.029	Reference	0.023
Patient ethnicity	Non-white	−4.27 (−8.09 to −0.45)	0.029	−5.08 (−9.45 to −0.70)	0.023

Doctor gender	Male	Reference	0.700	Reference	0.519
Doctor gender	Female	−0.84 (−5.11 to 3.43)	0.700	−1.24 (−5.00 to 2.52)	0.519

↵a This is the average difference in score on a 0–100 scale between groups or attributable to an additional minute of consultation length either with or without adjustment for other factors.
↵b Mean score adjusted for patient gender, age, self-rated health, ethnicity, and doctor gender.