Table 2.
General characteristics of study subjects
| Variables | Spirulina group (n = 30) | Placebo group (n = 30) | P * | |
|---|---|---|---|---|
| Age (year) | 39 ± 4.38 | 38.77 ± 4.22 | 0.83 | |
| Height (m) | 1.69 ± 0.09 | 1.68 ± 0.09 | 0.68 | |
| Weight (kg) | ||||
| Baseline | 76.86 ± 15.98 | 75.15 ± 13.17 | 0.65 | |
| End | 76.55 ± 16.11 | 75.60 ± 13.33 | 0.80 | |
| BMI (kg/m2) | ||||
|
Baseline End |
26.72 ± 4.09 30.99 ± 3.45 |
26.57 ± 4.02 31.72 ± 4.52 |
0.88 0.49 |
|
| Waist circumference (cm) | ||||
|
Baseline End |
90.13 ± 11.35 88.50 ± 11.55 |
89.85 ± 11.50 89.26 ± 11.82 |
0.92 0.80 |
|
| Hip circumference (cm) | ||||
|
Baseline END |
104.20 ± 8.66 103.02 ± 8.62 |
103.90 ± 8.30 103.21 ± 1.39 |
0.89 0.93 |
|
| Physical activity (MET/min/week) | ||||
| Baseline |
1784.28 ± 1809.25 922.50 (2384.25) ** |
2348.16 ± 1968.47 2303 (2988) ** |
0.32 # | |
| End |
1638.70 ± 1789.64 786.00 (1176.38) ** |
2585.58 ± 2872.76 2300 (2625) ** |
0.09 # | |
| gender | Female | 17 (56.7) | 16 (53.3) | 0.79 |
| Male | 13 (43.3) | 14 (46.7) | ||
| occupation | Employee | 9 (30) | 6 (20) | 0.46 |
| Freelance | 11 (36.7) | 16 (53.3) | ||
| College student | 1 (3.3) | 0 (0) | ||
| Housewife | 9 (30) | 8 (26.7) | ||
| Education status | Under diploma | 4 (13.3) | 4 (13.3) | 0.52 |
| Diploma | 8 (26.7) | 12 (40.0) | ||
| University graduated | 18 (60) | 14 (47.7) | ||
| Marital status | Married | 25 (83.3) | 26 (86.7) | 0.72 |
| Single | 5 (16.7) | 4 (13.3) | ||
| Familial history of IBS | No | 21 (70) | 19 (63.3) | 0.58 |
| Yes | 9 (30) | 11 (36.7) | ||
| Familial history of chronic disease | No | 22 (73.3) | 20 (66.7) | 0.57 |
| Yes | 8 (26.7) | 10 (33.3) | ||
| Multivitamin Use | No | 25 (83.3) | 27 (90) | 0.45 |
| Yes | 5 (16.7) | 3 (10) | ||
| Anxiety | normal | 5 (16.7) | 7 (23.3) | 0.32 |
| Mild | 1 (3.3) | 2 (6.7) | ||
| Moderate | 4 (13.3) | 8 (26.7) | ||
| Severe | 20 (66.7) | 13 (43.3) | ||
| Stress | Normal | 2 (6.7) | 3 (10) | 0.90 |
| Mild | 3 (10) | 4 (13) | ||
| Moderate | 8 (26.7) | 7(23) | ||
| High | 17 (56.7) | 16 (53) | ||
Quantitative variables are expressed as mean ± SD/ **median (IQR) and qualitative variables are expressed as n (%)
*P-value resulted from independent samples t-test/ #Mann–Whitney U for continuous and chi-squared tests for categorical variable