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Table 5 Baseline demographic characteristics of the participants in the 4C Study

From: A profile of The Clinical Course of Cognition and Comorbidity in Mild Cognitive Impairment and Dementia Study (The 4C study): two complementary longitudinal, clinical cohorts in the Netherlands

N (%), unless stated differently 4C-MCI cohort (n = 315) 4C-Dementia cohort (n = 331)
Age at baseline (years, mean ± SD) 69.7 ± 8.5 74.9 ± 10.2
Female sex 111 (35) 182 (55)
Caucasian 311 (99) 326 (98)
Education
 Low (lower than middle school) 126 (40.0) 142 (44.1)
 Middle (high school/vocational education) 78 (24.8) 90 (28.0)
 High (university) 111 (35.2) 90 (28.0)
Marital Status
 Married/registered partnership, cohabiting 244 (77.5) 202 (61.2)
 Widow/widower 42 (13.3) 93 (28.2)
 Single, divorced 29 (9.2) 35 (10.6)
Living situation
 Alone, independently 59 (18.7) 100 (30.5)
 With partner and/or children 242 (76.8) 205 (62.5)
 Institutionalized living 9 (2.9) 21 (6.4)
 Others 5 (1.6) 2 (0.6)
Informant’s relation with the participant
 Partner 224 (71.1) 179 (54.4)
 Offspring 60 (19.5) 115 (35.0)
 Sibling 7 (2.2) 10 (3.0)
 Other relative or acquaintance 23 (7.3) 25 (7.6)