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Table 1 Participant characteristics

From: Olfactory function is associated with cognitive performance: results from the population-based LIFE-Adult-Study

  Female (n = 3483, 51.3%) Male (n = 3300, 48.7%) Total (n = 6783)
Age (years)
 18–29 97 (2.8%) 85 (2.6%) 182 (2.7%)
 30–39 81 (2.3%) 111 (3.4%) 192 (2.8%)
 40–49 993 (28.5%) 881 (26.7%) 1874 (27.6%)
 50–59 870 (25.0%) 744 (22.5%) 1614 (23.8%)
 60–69 812 (23.3%) 777 (23.5%) 1589 (23.0%)
 70–79 630 (18.1%) 702 (21.3%) 1332 (19.6%)
Smell test score* 10 (9–11) 10 (9–11) 10 (9–11)
Depressive symptoms 327 (9.4%) 122 (3.7%) 449 (6.6%)
University education 869 (24.9%) 1097 (33.2%) 1966 (29.0%)
CERAD verbal fluency* 24.0 (20.0–28.0) 23.0 (19.0–28.0) 24.0 (19.0–28.0)
 Higher values are better
 Cognitively impaired#
398 (11.4%) 361 (10.9%) 759 (11.2%)
Trail Making Test A* 33.0 (26.0–42.0) 34.0 (27.0–44.0) 34.0 (26.0–43.0)
 Max score 180    
 Lower values are better    
 Cognitively impaired# 208 (6.0%) 207 (6.3%) 415 (6.1%)
Trail Making Test B/A* 2.2 (1.8–2.8) 2.3 (1.9–2.8) 2.3 (1.9–2.8)
 Lower values are better    
 Cognitively impaired# 276 (7.9%) 401 (12.2%) 677 (10.0%)
  1. *Median (IQR)
  2. #At least one standard deviation below age-, sex-, and education-specific norms from CERAD