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Table 1 Background characteristics and SPPB score distribution according to sex and age, n = 7474

From: Norwegian reference values for the Short Physical Performance Battery (SPPB): the Tromsø Study

Age (years) 40–59 60–69 70–74 75–79 80+
Men
Mean age (SD)* 50.3 (5.9) 64.6 (2.9) 71.8 (1.4) 76.8 (1.3) 81.6 (1.3)
Education, n (%)
 Basic 148 (12) 515 (33) 299 (49) 194 (58) 96 (65)
 Middle 351 (28) 426 (28) 152 (25) 67 (20) 34 (23)
 Tertiary 745 (60) 601 (39) 159 (26) 72 (22) 17 (12)
 Missing (%) 0% 1% 3% 6% 11%
Mean height, cm (SD) 179.1 (6.6) 176.8 (6.6) 175.8 (6.1) 173.7 (6.4) 173.3 (6.4)
Mean weight, kg (SD) 89.6 (14.6) 87.1 (13.3) 86.1 (12.6) 82.8 (12.4) 79.6 (11.5)
Mean BMI, kg/m2 (SD) 27.9 (4.2) 27.9 (3.9) 27.8 (3.6) 27.4 (3.7) 26.5 (3.3)
SPPB total*
 0–3, % 0 0 0 0 2
 4–6, % 0 0 0 1 5
 7–9, % 1 3 7 15 21
 10–12, % 99 97 92 84 72
Mean SPPB score (SD) 11.9 (0.6) 11.7 (0.8) 11.4 (1.1) 10.8 (1.5) 10.1 (2.3)
Women
Mean age (SD)* 50.6 (5.9) 64.6 (2.9) 71.8 (1.4) 76.8 (1.4) 81.7 (1.5)
Education, n
 Basic 174 (17) 397 (28) 157 (31) 96 (32) 67 (47)
 Middle 322 (31) 405 (28) 151 (30) 97 (32) 37 (26)
 Tertiary 544 (52) 639 (44) 197 (39) 106 (35) 38 (27)
 Missing (%) 1% 2% 3% 6% 14%
Mean height, cm (SD) 165.6 (6.3) 163.6 (6.1) 162.1 (5.8) 160.5 (6.0) 158.7 (5.8)
Mean weight, kg (SD) 72.9 (13.8) 71.9 (12.6) 73.3 (13.8) 69.3 (12.5) 67.7 (12.3)
Mean BMI, kg/m2 (SD) 26.6 (5.0) 26.9 (4.6) 27.9 (5.1) 26.9 (4.7) 26.9 (4.6)
SPPB total*
 0–3, % 0 0 0 1 3
 4–6, % 0 0 1 3 9
 7–9, % 2 5 14 24 27
 10–12, % 98 95 84 72 61
Mean SPPB score (SD) 11.8 (0.6) 11.4 (1.1) 10.8 (1.6) 10.2 (1.9) 9.5 (2.5)
Mean age (SD)* 50.6 (5.9) 64.6 (2.9) 71.8 (1.4) 76.8 (1.4) 81.7 (1.5)
  1. *Age distribution did not differ significantly between the sexes (Pearson Chi squared test, p = 0.22) *Cells with 4 or less individuals are set to ‘-‘
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