Table 3.

Changes in PROMIS GPH and GMH T-scores over time by propensity score-matched group

Outcome	Mean (SD)		Difference in difference (SE)	Difference in difference 95% CI	P value
	Shared medical appointments (SMA)	Individual appointments
PROMIS GPH
Baseline to 3 mo, No.	213	213
T-score
Baseline	45.76 (7.34)	45.25 (8.14)
3 mo.	49.07 (7.10)	47.37 (8.28)
Change	3.30 (5.66)*†	2.12 (5.28)†	1.18 (0.53)	(0.14,2.22)	0.027‡
Categorical change (T-Score points)					0.088‡
Improve ≥5.00, No. (%)	80 (37.6)	60 (28.2)
Slightly better 2.50 to 4.99, No. (%)	51 (23.9)	49 (23.0)
Similar −2.49 to 2.49, No. (%)	50 (23.5)	55 (25.8)
Slightly worse −2.50 to −4.99, No. (%)	18 (8.5)	34 (16.0)
Worsen ≥5.00, No. (%)	14 (6.6)	15 (7.0)
PROMIS GMH
Baseline to 3 mo, No.	213	213
T-score
Baseline	45.77 (8.96)	46.17 (7.84)
3 mo.§	48.89 (8.39)	47.50 (8.38)
Change§	3.12 (6.28)†	1.34 (5.36)†	1.78 (0.57)	(0.66,2.89)	0.002‡
Categorical change (T-Score points)‡					0.065‡
Improve ≥5.00, No. (%)	81 (38.0)	54 (25.5)
Slightly better 2.50 to 4.99, No. (%)	37 (17.4)	50 (23.6)
Similar −2.49 to 2.49, No. (%)	56 (26.3)	58 (27.4)
Slightly worse −2.50 to −4.99, No. (%)	18 (8.5)	25 (11.8)
Worsen ≥5.00, No. (%)	21 (9.9)	25 (11.8)

3 months: SMA PROMIS GPH change (95% CI 2.54 to 4.07); individual appointment PROMIS GPH change (95% CI 1.41 to 2.84); SMA PROMIS GMH change (95% CI 2.27 to 3.97); individual appointment PROMIS GMH change (95% CI 0.62 to 2.07).

*Primary outcome.

†Statistically significant improvement within group, p<0.05.

‡For comparison between groups.

§Data not available for all subjects. Missing 3-month values: GMH T-Score=1, GMH T-Score Change=1, and GMH Categorical Change=1.

GMH, Global Mental Health; GPH, Global Physical Health; PROMIS, Patient-Reported Outcome Measurement Information System.