Background characteristics of subjects at randomisation
| Variables | MBvO1 | (n = 98) | MBvO2 | (n = 53) | Control group | (n = 126) | Total | (n = 277) | p Value |
|---|---|---|---|---|---|---|---|---|---|
| *Kruskal-Wallis one way analysis of variance (with Tukey β); †χ2 test. | |||||||||
| Mean age in years (y, SD) | 71.6 | (4.0) | 71.5 | (4.1) | 70.3 | (4.0) | 71.0 | (4.1) | 0.05* |
| BMI (kg/m2, SD) | 27.1 | (3.5) | 26.8 | (3.6) | 28.0 | (4.1) | 27.4 | (3.8) | 0.11* |
| Gender (%, n) | % | n | % | n | % | n | % | n | 0.12† |
| male | 30 | (29) | 45 | (24) | 40 | (50) | 37 | (103) | |
| female | 70 | (69) | 55 | (29) | 60 | (76) | 63 | (174) | |
| Marital status (%, n) | 0.49† | ||||||||
| married (living together) | 77 | (75) | 72 | (38) | 66 | (83) | 71 | (196) | |
| unmarried (living together) | 1 | (1) | 1 | (1) | 1 | (2) | |||
| divorced | 3 | (3) | 2 | (1) | 2 | (3) | 3 | (7) | |
| widowed | 17 | (16) | 26 | (14) | 26 | (32) | 23 | (62) | |
| never lived together | 2 | (2) | 5 | (6) | 3 | (8) | |||
| Level of education (%, n) | 0.99† | ||||||||
| high | 5 | (5) | 13 | (7) | 8 | (10) | 8 | (22) | |
| middle | 41 | (40) | 43 | (22) | 41 | (51) | 41 | (113) | |
| low | 54 | (52) | 45 | (24) | 51 | (64) | 51 | (140) | |
| Housing situation (%, n) | 0.34† | ||||||||
| multi-storey house | 66 | (64) | 51 | (27) | 62 | (77) | 61 | (168) | |
| apartment building | 33 | (32) | 49 | (26) | 37 | (46) | 38 | (104) | |
| service flat | 1 | (1) | 2 | (1) | 1 | (3) | |||