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Table 1 Efficacy parameters assessed by weekly diary

From: Text messaging: an innovative method of data collection in medical research

# Efficacy Variable Question Response Scale SMS code (choose one)
1 Abdominal discomfort/pain "How intense was your abdominal discomfort/pain in the past week?" 0 = none
1 = mild
2 = moderate
3 = severe
1-0
1-1
1-2
1-3
2 Bloating "How intense was your abdominal bloating in the past week?" 0 = none
1 = mild
2 = moderate
3 = severe
2-0
2-1
2-2
2-3
3 Stool frequency "On the average, how many bowel movements did you have per day in the past week?" Number of bowel movements per day or per week:
_______________/day or week (please delete as appropriate)
3-X/d or
3-X/w
4 Stool consistency "Please rate your average stool consistency in the past week" According to Bristol stool chart
1 = separate hard lumps, like nuts
2 = sausage-shaped but lumpy
3 = like sausage or snake but with cracks on its surface
4 = like sausage or snake, smooth & soft
5 = soft blobs with clear cut edges
6 = fluffy pieces with ragged edges, a mushy stool
7 = watery, no solid pieces
4-1
4-2
4-3
4-4
4-5
4-6
4-7
5 Urgency "Did you at any time in the past week experience urgency?" (having to rush to the toilet for a bowel movement?) 1 = yes, all the times
2 = yes, sometimes
3 = no
5-1
5-2
5-3
6 Straining "Did you strain during or while trying to have a bowel movement in the past week?" 1 = yes, all the times
2 = yes, sometimes
3 = no
6-1
6-2
6-3
7 Sensation of complete evacuation "Did you have a sensation of complete evacuation following your bowel movements in the past week?" 1 = yes, all the times
2 = yes, sometimes
3 = no
7-1
7-2
7-3
8 Overall satisfactory relief of IBS symptoms "Over the past week, do you consider that you have had satisfactory relief from your symptoms of IBS?" 1 = Excellent relief
2 = Good relief
3 = Slight relief
4 = No relief
5 = Worse
8-1
8-2
8-3
8-4
8-5