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Table 2 Baseline characteristics of participants according to further participation in waves 1 and 2

From: The longitudinal urban cohort ageing study (LUCAS): study protocol and participation in the first decade

Pra Characteristics at baseline (2000/2001) Participation in
  Wave 1 Wave 2 Wave 1 Wave 2 Wave 1 Wave 2 Wave 1 Wave 2
  Yes Yes Yes No No Yes No No
  n = 1892 n = 876 n = 120 n = 438
Age at base line (years) – 69.4 ± 6.4 75.1 ± 7.8 71.5 ± 7.6 76.3 ± 8.7
mean (min., max.) (60.2-93.0) (60.3-97.0) (60.5-92.0) (60.8-97.2)
Female gender – 1185/1892 543/876 84/120 314/438
n (in %) (62.6) (62.0) (70.0) (71.7)
Fair/poor self-perceived health – 574/1892 410/876 49/120 257/438
n (in %) (30.3) (46.8) (40.8) (58.7)
≥ 1 hospital admission over past 12 months – 375/1892 210/876 19/120 110/438
n (in %) (19.8) (24.0) (15.8) (25.1)
> 6 physician visits over past 12 months – 883/1892 459/876 52/120 221/438
n (in % (46.7) (52.4) (43.3) (50.5)
Diabetes, yes – 167/1892 119/876 16/120 54/438
n (in %) (8.8) (13.6) (13.3) (12.3)
Coronary heart disease ever, yes – 268/1892 177/876 21/120 106/438
n (in %) (14.2) (20.2) (17.5) (24.2)
Heart attack ever, yes – 119/1892 85/876 15/120 50/438
n (in %) (6.3) (9.7) (12.5) (11.4)
Caregiver available if needed, yes – 1604/1882 671/876 91/120 323/438
n (in %) (85.2) (76.6) (75.8) (73.7)