Table 5.

PROMIS Ability to Participate in Social Roles and Activities and Satisfaction with Social Roles and Activities Dutch reference values by age and gender and compared with the US reference population [61].

	Ability to Participate in Social Roles and Activities				Satisfaction with Social Roles and Activities
	Dutch population, n (%)	US population, n (%)	Dutch mean T-score (SD)a	US mean T-score (SD)a	Dutch population, n (%)	US population, n (%)	Dutch mean T-score (SD)a	US mean T-score (SD)a
Total	1002 (100)	940 (100)	50.6 (9.5)	50.0 (9.8)	1002 (100)	922 (100)	47.5 (8.3)	50.0 (9.8)
Gender
Male	477 (48)	335 (36)b	51.2 (9.5)	49.6 (9.2)	477 (48)	336 (36)d	48.1 (8.1)	50.2 (9.2)
Female	525 (52)	487 (52)b	50.1 (9.5)	49.8 (10.1)	525 (52)	487 (53)b	46.9 (8.4)	50.0 (10.2)
Age in years
18–34	217 (22)	91 (10)c	51.5 (9.5)	49.7 (9.3)	217 (22)	92 (10)d	48.6 (8.1)	50.8 (9.1)
35–44	136 (13)	76 (8)c	48.4 (9.6)	51.6 (8.3)	136 (13)	76 (8)c	45.0 (8.4)	50.2 (9.0)
45–54	171 (17)	145 (15)c	51.1 (9.4)	47.5 (10.8)	171 (17)	145 (16)c	46.6 (8.3)	48.4 (10.3)
55–64	208 (21)	230 (24)c	49.4 (9.9)	49.2 (9.8)	208 (21)	230 (25)c	46.9 (8.5)	49.4 (10.0)
65–74	217 (22)	210 (22)c	51.4 (8.4)	51.0 (9.8)	217 (22)	210 (23)c	48.7 (7.4)	51.9 (10.0)
75+	53 (5)	69 (7)c	52.5 (11.0)	50.0 (8.0)	53 (5)	69 (7)c	49.6 (9.3)	49.6 (8.1)
Distribution-based thresholds (based on SD)
Within normal limits	682 (68)		>46	>45	726 (73)		>43	>45
Mild	185 (19)		41–46	40–45	115 (11)		39–43	40–45
Moderate	114 (11)		32–41	30–39	119 (12)		31–39	30–39
Severe	21 (2)		<32	<30	42 (4)		<31	<30
Anchor-based thresholds (based on self-reported limitations)
No limitations	430 (43)		56.8 (7.7)		430 (43)		51.9 (7.2)
Mild	319 (32)		49.3 (6.4)		337 (34)		47.4 (5.0)
Moderate	184 (18)		44.1 (6.7)		168 (17)		41.6 (5.8)
Severe	69 (7)		35.7 (7.1)		67 (7)		34.0 (9.2)

^aHigher scores represent more ability to participate/satisfaction with participation; ^b12% missing values; ^c14% missing values; ^d11% missing values.

SD: standard deviation.