Table 2 Comparison of baseline sociodemographic and self-reported health status between P.minor and placebo groups
|  | P.minor (N = 18) | Placebo (N = 18) | Total (N = 36) | p value †|
|---|---|---|---|---|
Age‡ | 66.89 ± 4.00 | 65.94 ± 3.61 | 66.42 ± 0.63 | 0.462 |
Gender | ||||
 Male | 3 (16.7) | 5 (27.8) | 8 (22.2) | 0.423 |
 Female | 15 (83.3) | 13 (72.2) | 28 (77.8) |  |
Ethnicity | ||||
 Malay | 16 (88.9) | 17 (94.4) | 33 (91.7) | 0.220 |
 Chinese | 2 (11.1) | 0 (9.1) | 2 (5.6) |  |
 Indian | 0 (0) | 1 (5.6) | 1 (2.7) |  |
Educational Level | ||||
 Not attending school | 1 (5.6) | 3 (16.7) | 4 (11.1) | 0.293 |
 Primary school | 8 (44.4) | 5 (27.8) | 13 (36.1) |  |
 Secondary school | 9 (50.0) | 7 (38.9) | 16 (44.4) |  |
 Certificate/ Diploma | 0 (0) | 2 (11.1) | 2 (5.6) |  |
 Degree | 0 (0) | 1 (5.6) | 1 (2.8) |  |
Marital Status | ||||
 Married | 9 (50.0) | 13 (72.2) | 22 (61.1) | 0.305 |
 Widow/Widower | 9 (50.0) | 5 (27.8) | 14 (38.9) |  |
Smoking Status | ||||
 Yes | 1 (5.6) | 1 (4.5) | 2 (5.6) | 1.000 |
 No | 17 (94.4) | 17 (94.4) | 34 (94.4) |  |
Regular Supplement Consumer | ||||
 Yes | 7 (38.9) | 9 (50.0) | 16 (44.4) | 0.738 |
 No | 11 (61.1) | 9 (50.0) | 20 (55.6) |  |
Caffeinated Beverage Consumer | ||||
 Yes | 17 (94.4) | 17 (94.4) | 34 (94.4) | 1.000 |
 No | 1 (5.6) | 1 (5.6) | 2 (5.6) |  |
Working Status | ||||
 Yes | 2 (11.1) | 2 (11.1) | 4 (11.1) | 1.000 |
 No | 16 (88.9) | 16 (88.9) | 32 (88.9) |  |
Hypertension | ||||
 Yes | 9 (50.0) | 9 (50.0) | 18 (50.0) | 1.000 |
 No | 9 (50.0) | 9 (50.0) | 18 (50.0) |  |
Diabetes | ||||
 Yes | 4 (22.2) | 3 (16.7) | 7 (19.4) | 1.000 |
 No | 14 (72.8) | 15 (83.3) | 29 (80.6) |  |
Hyperlipidemia | ||||
 Yes | 8 (44.4) | 11 (61.1) | 19 (52.8) | 0.176 |
 No | 7 (38.9) | 7 (28.9) | 14 (38.9) |  |
 Not Sure | 3 (16.7) | 0 (0.0) | 3 (8.3) |  |