Skip to main content

Table 1 Basic characteristics of study sample (n = 92,640)

From: Course of frailty stratified by physical and mental multimorbidity patterns: a 5-year follow-up of 92,640 participants of the LifeLines cohort study

Characteristics:   
Demographics:
• Age (years) mean (SD) 51.4 (8.9)
• Female gender n (%) 53,757 (58.0%)
Level of education:
Lower n (%) 34,688 (37.6%)
Middle n (%) 33,593 (36.4%)
Higher n (%) 24,045 (26.0%)
• Partner n (%) 82,020 (88.6%)
Chronic diseases:
• Psychiatric disorders n (%) 19,536 (21.1%)
• Musculoskeletal diseases n (%) 18,401 (19.9%)
• Brain diseases n (%) 18,477 (19.9%)
• Lung disease n (%) 10,652 (11.5%)
• Heart disease n (%) 10,695 (11.5%)
• Endocrine disease n (%) 6177 (6.7%)
• Gastrointestinal diseases n (%) 2106 (2.3%)
• Cancer n (%) 5545 (6.0%)
• Cerebrovascular disease n (%) 1159 (1.3%)
• Kidney disease n (%) 527 (0.6%)
Lifestyle characteristics:
Smoking:
Former smoker n (%) 36,304 (39.5%)
Current smoker n (%) 17,186 (18.6%)
• Body mass index (kg/m2) Mean (SD) 26.6 (4.3)
• Alcohol use
No n (%) 21,737 (23.5%)
Social n (%) 62,115 (67.0%)
Problematic n (%) 8788 (9.5%)
Frailty:
• Frailty index—64 deficits version mean (SD) 0.13 (0.06)
• Frailty index—35 deficits version mean (SD) 0.11 (0.06)
  1. The following variables had missing data: level of education (n = 314, 0.34%), partner status (n = 36, 0.04%), smoking (n = 438, 0.47%), and body mass index (n = 35, 0.04%)