Table 1.
Distribution of Age at Presentation, Medical Comorbidity, and Health Outcomes, Based on Several Demographic and Clinical Features (N=384)
| Age | Comorbidity | Anxiety | Depression | Symptom Severity | Quality of Life | |||
|---|---|---|---|---|---|---|---|---|
| M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | N | ||
| Gender | ||||||||
| Male | 42 (15) | 7(6) | 5.55 (5.18) | 4.64 (4.51) | 267.80 (66.18)* | 56.68 (17.69) | 77 | |
| Female | 41 (16) | 8 (6) | 4.53 (4.54) | 4.01 (4.36) | 286.79 (72.97) | 56.23 (18.39) | 307 | |
| Race | ||||||||
| White | 41 (15) | 8 (6) | 4.77 (4.68) | 3.97 (4.25)* | 281.51 (70.22) | 56.52 (18.10) | 344 | |
| Non-White | 43 (16) | 10 (8) | 4.34 (4.79) | 5.07 (5.28) | 296.59 (85.88) | 54.49 (19.50) | 32 | |
| Marital Status | ||||||||
| Not Married | 38 (15)* | 8 (7) | 4.93 (4.66) | 4.48 (4.59)* | 280.96 (70.67) | 56.57 (17.91) | 224 | |
| Married | 46 (13) | 8 (6) | 4.44 (4.73) | 3.58 (4.04) | 286.42 (73.95) | 55.73 (18.55) | 159 | |
| Income1 | ||||||||
| Below $62.5K | 41 (15) | 9 (7)* | 5.11 (4.87) | 4.61 (4.70)* | 281.78 (74.23) | 55.37 (18.47) | 223 | |
| Above $62.5K | 41 (14) | 7 (5) | 4.33 (4.49) | 3.58 (3.94) | 286.09 (68.64) | 56.85 (17.97) | 146 | |
| Education | ||||||||
| High school | 44 (16)* | 9 (7)* | 5.64 (5.45)* | 5.32 (5.23)* | 293.82 (81.17)* | 51.93 (19.84) | 140 | |
| College | 39 (14) | 7 (6) | 4.22 (4.11) | 3.44 (3.66) | 276.93 (65.62) | 58.86 (16.82)* | 244 | |
| IBS Subtype2 | ||||||||
| IBS-C | 42 (14) | 8 (6) | 4.59 (4.73) | 4.51 (4.27) | 295.96 (72.22) | 55.44 (18.28) | 109 | |
| IBS-D | 42 (15) | 8 (6) | 4.42 (4.19) | 3.73 (4.10) | 276.77 (74.37) | 56.94 (19.17) | 165 | |
| IBS-M | 38 (15) | 8 (7) | 5.62 (5.48) | 4.57 (4.94) | 279.19 (68.16) | 55.67 (16.86) | 91 | |
| IBS-U | 40 (17) | 6 (7) | 4.17 (4.25) | 3.50 (4.71) | 283.61 (64.26) | 59.19 (17.18) | 18 | |
| Duration of Symptoms1 | ||||||||
| 12 Years or Less | 35 (14)* | 7 (5)* | 4.84 (4.79) | 4.07 (4.38) | 284.31 (74.38) | 55.63 (18.07) | 192 | |
| Over 12 Years | 47 (14) | 9 (7) | 4.64 (4.61) | 4.14 (4.41) | 280.46 (68.47) | 57.31 (18.32) | 184 | |
| Age of Symptom Onset1 | ||||||||
| Age 21 or under | 35 (14)* | 7 (6) | 4.84 (4.81) | 3.95 (4.52) | 285.68 (65.56) | 54.53 (18.02)* | 196 | |
| Over age 21 | 47 (13) | 9 (7) | 4.64 (4.59) | 4.27 (4.25) | 278.80 (77.57) | 58.84 (18.18) | 180 | |
| Seen physician recently | ||||||||
| No | 40 (15) | 6 (5)* | 4.64 (4.59) | 3.85 (4.09) | 272.35 (68.35) | 58.82 (18.08) | 73 | |
| Yes | 42 (15) | 8 (7) | 4.76 (4.72) | 4.19 (4.46) | 285.51 (72.69) | 55.74 (18.24) | 311 | |
NOTE:
*
p < .05,
1
For descriptive purposes of the table, a median split was conducted on income, duration of symptoms, and age of symptom onset; however, in all other analyses these variables were treated as continuous variables.
2
IBS - C, irritable bowel syndrome, constipation; IBS-D, irritable bowel syndrome diarrhea; IBS-M, irritable bowel syndrome, mixed; IBS-U, irritable bowel syndrome, undifferentiated.