Table 2.
Baseline demographic data and symptom scores of participants
| |
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) |