Table 2.

The 36-Item Short Form Health Survey scores in the internet and telephone groups after matching (N=245 each).

Scale or component summary and group		Score, median (IQR)	Score, mean (SD)	Score, mean (95% CI)	Score difference (telephone−internet)
					P value		Mean difference		Effect size
Physical functioning						.02		4.57		0.18
	Internet	85 (65-95)	76.08 (24.56)	76.08 (72.92-79.08)
	Telephone	90 (70-100)	80.65 (24.93)	80.65 (77.47-83.71)
Role-physical						.002		9.39		0.22
	Internet	50 (0-100)	51.53 (41.67)	51.53 (46.22-56.73)
	Telephone	100 (0-100)	60.92 (44.59)	60.92 (55.31-66.43)
Bodily pain						.045		4.56		0.16
	Internet	72 (41-100)	66.84 (26.12)	66.84 (63.55-70.11)
	Telephone	84 (41-100)	71.40 (32.23)	71.40 (67.42-75.40)
General health						.99		0.04		0.00
	Internet	57 (42-72)	55.10 (20.47)	55.10 (52.57-57.65)
	Telephone	57 (37-77)	55.15 (25.90)	55.15 (51.96-58.34)
Vitality						.57		0.82		0.04
	Internet	50 (35-65)	48.29 (20.16)	48.29 (45.78-50.80)
	Telephone	50 (35-65)	49.10 (21.30)	49.10 (46.41-51.78)
Social functioning						<.001		7.96		0.29
	Internet	75 (50-100)	71.17 (24.27)	71.17 (68.16-74.18)
	Telephone	100 (62.5-100)	79.13 (31.24)	79.13 (75.15-82.96)
Role-emotional						.002		9.93		0.25
	Internet	100 (33.33-100)	67.89 (39.04)	67.89 (63.13-72.65)
	Telephone	100 (66.66-100)	77.82 (39.84)	77.82 (72.79-82.59)
Mental health						.002		5.01		0.26
	Internet	64 (52-80)	63.56 (18.77)	63.56 (61.21-65.91)
	Telephone	72 (56-84)	68.57 (20.20)	68.57 (65.94-71.10)
Physical component summary						.18		0.99		0.09
	Internet	44.95 (37.27-53.30)	44.48 (10.04)	44.48 (43.20-45.75)
	Telephone	48.33 (37.81-54.43)	45.47 (11.05)	45.47 (44.09-46.82)
Mental component summary						.02		2.72		0.25
	Internet	47.49 (35.37-52.60)	44.68 (10.62)	44.68 (43.34-46.01)
	Telephone	50.86 (41.81-55.50)	47.40 (11.15)	47.40 (46.01-48.76)