Active product | Control product | |
---|---|---|
n = 88 | n = 91 | |
Mean (SD) | Mean (SD) | |
Age | 44.66 (11.98) | 43.71 (12.76) |
BMI | 26.75 (4.03) | 25.85 (3.61) |
Percentage | ||
Male | 15 | 15 |
Non-smoker | 47 | 56 |
Light smoker (<10 per day) | 8 | 6 |
Heavy smoker (>10 per day) | 14 | 18 |
Former smoker | 32 | 21 |
White ethnic group | 91 | 86 |
Other ethnic group combined | 9 | 14 |
Mental Health | 10 | 1 |
Score | ||
IBS-SSS (Max score 500 – higher scores indicating greater symptom burden | 258.70 (86.51) | 251.73 (76.13) |
IBS symptoms (Birmingham Score) (Max score 100 for all dimensions – higher scores represent greater well-being) | ||
Constipation | 47.31 (26.86) | 49.08 (25.75) |
Diarrhoea | 84.58 (15.17) | 85.62 (11.72) |
Pain | 62.50 (19.74) | 60.95 (19.62) |
Total | 68.36 (12.00) | 68.90 (11.07) |
IBS specific symptoms (Scored 0–5 with greater scores indicating greater symptom burden) | ||
Pain | 2.50 (1.08) | 2.50 (1.08) |
Bloating | 3.13 (1.18) | 3.16 (0.97) |
Flatulence | 3.18 (1.14) | 2.88 (1.16) |
Composite score | 8.80 (2.65) | 8.54 (2.50) |
Stool frequency (Stools per day) | 1.17 (0.93) | 1.19 (0.96) |
Stool consistency (From Bristol Stool Form) | 3.14 (1.64) | 3.20 (1.60) |
Bowel movement difficulty (Scored 0–5 with higher scores indicating greater difficulty) | 1.38 (1.19) | 1.18 (1.06) |
IBS-QoL (Multi-item scale with greater scores indicating better quality of life) | ||
Dysphoria | 66.69 (27.72) | 72.94 (23.49) |
Activity interference | 73.02 (23.06) | 73.73 (21.12) |
Body image | 58.03 (26.07) | 60.85 (23.60) |
Health worry | 56.77 (26.13) | 64.65 (24.66) |
Food avoidance | 58.14 (28.53) | 59.34 (30.55) |
Social reaction | 64.99 (26.08) | 73.72 (24.34) |
Sexual | 75.43 (31.85) | 77.75 (26.72) |
Relationship | 75.43 (24.06) | 80.86 (20.25) |
Total score | 66.45 (22.49) | 70.78 (20.08) |