Table 3

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

OutcomeMean (SD)Difference in difference (SE)Difference in difference 95% CIP value
Shared medical appointments (SMA)Individual appointments
PROMIS GPH
Baseline to 3 mo, No.213213
T-score
 Baseline45.76 (7.34)45.25 (8.14)
 3 mo.49.07 (7.10)47.37 (8.28)
 Change3.30 (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.213213
T-score
 Baseline45.77 (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.