Table 4 Weighted mean (SD) RAND-36 scale scores by gender and age group

Total

83.5 (23.9)

75.4 (37.6)

74.7 (25.8)

68.1 (21.5)

61.0 (22.2)

82.8 (23.4)

76.7 (36.5)

76.1 (18.6)

 Men

85.6 (21.5)

77.8 (34.3)

76.3 (23.9)

69.3 (19.4)

63.6 (20.4)

84.8 (21.4)

79.9 (32.8)

78.1 (17.3)

 Women

81.4 (26.0)

73.1 (40.8)

73.1 (27.5)

66.9 (23.5)

58.5 (23.7)

80.8 (25.3)

73.4 (39.8)

74.1 (19.8)

P-value^a

< 0.001

0.002

0.001

0.031

< 0.001

< 0.001

< 0.001

< 0.001

 20–29

91.7 (14.3)^A

83.3 (25.1)^A

82.2 (18.1)^A

71.7 (16.8)^A

58.9 (16.8)^BC

83.5 (17.3)^A

76.6 (29.1)^AB

73.2 (14.4)^B

 30–39

91.1 (16.5)^A

81.8 (31.0)^AB

80.1 (21.9)^AB

71.5 (19.3)^A

57.7 (19.4)^BC

82.9 (21.1)^A

75.0 (35.0)^B

74.8 (16.1)^B

 40–49

88.9 (16.3)^AB

79.6 (28.7)^AB

76.2 (20.5)^BC

70.6 (16.8)^AB

59.4 (17.6)^BC

83.5 (18.7)^A

77.6 (29.6)^AB

75.6 (14.2)^B

 50–59

85.1 (18.7)^B

77.3 (31.7)^AB

71.3 (22.9)^CD

67.0 (19.1)^BC

61.4 (20.3)^B

82.1 (21.6)^A

78.8 (30.7)^AB

76.6 (17.5)^AB

 60–69

80.3 (24.3)^C

75.8 (40.4)^B

71.8 (27.9)^CD

67.0 (22.8)^BC

66.6 (23.8)^A

85.7 (23.6)^A

82.4 (35.3)^A

79.5 (20.2)^A

 70–79

72.6 (33.2)^D

65.2 (53.2)^C

69.8 (34.3)^D

64.5 (27.0)^C

66.8 (28.6)^A

83.6 (30.1)^A

77.4 (46.5)^AB

79.5 (24.3)^A

 80+

49.7 (43.2)^E

36.4 (64.7)^D

60.0 (41.8)^E

53.7 (31.2)^D

55.4 (35.3)^C

72.4 (42.6)^B

57.3 (64.8)^C

73.3 (30.8)^B

F-value

160.63

72.76

37.56

41.11

20.37

12.27

17.63

10.09

P-value^b

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

P-value for linear trend^c

< 0.001(q)

< 0.001 (q)

< 0.001

< 0.001 (q)

< 0.001 (q)

0.007 (q)

0.071 (q)

< 0.001 (q)