Table 5.
Differences in ATN-GI Signs and Symptoms Inventory-26 Scale Scores across GID
| A. Scale: Any GI Condition (number of items: 11, α=0.681, standardized α= 0.661) | ||||
| Variable label | Item | Corrected Item-Total Correlation | Squared Multiple Correlation | Cronbach’s Alpha if Item Deleted |
| gisxb1a1 | Last 3 months - Abdominal (belly) pain? | .506 | .347 | .623 |
| othconst | Parent-defined constipation | .393 | .348 | .648 |
| othdiarr | Parent-defined diarrhea | .380 | .315 | .651 |
| othrefvo | Parent defined other reflux or vomiting | .128 | .256 | .687 |
| gisxb9 | Last 3 months - pain with BM? | .346 | .217 | .657 |
| gisxb12 | Last 3 months - stiffen or squeeze buttocks? | .342 | .215 | .659 |
| gisxb19c | Last 3 months - Miss activitites: Problems with BMs? | .193 | .147 | .679 |
| gisxb21 | Last 3 months - Push abdomen? | .336 | .215 | .659 |
| gisxb22 | Last 3 months - Punching chest or neck, putting fist in mouth, biting hands, wrist? | .324 | .220 | .661 |
| gisxb23 | Last 3 months - Choke, gag, sound wet during/after swallowing or with meals? | .422 | .326 | .643 |
| gisxb16 | Ever Red blood in/after BM? | .149 | .150 | .683 |
| B. Scale: R/GER (number of items: 11, α = 0.681, standardized α=0.597) | ||||
| Variable label | Item | Corrected Item-Total Correlation | Squared Multiple Correlation | Cronbach’s Alpha if Item Deleted |
| gisxb1a1 | Last 3 months - Abdominal (belly) pain? | .480 | .418 | .529 |
| othdiarr | Parent-defined diarrhea | .116 | .228 | .622 |
| othrefvo | Parent defined other reflux or vomiting | .223 | .421 | .594 |
| gisxb2g | Last 3 months - SXs change after eating? | −.093 | .078 | .656 |
| gisxb21 | Last 3 months - Push abdomen? | .366 | .306 | .562 |
| gisxb22 | Last 3 months - Punching chest or neck, putting fist in mouth, biting hands, wrist? | .183 | .258 | .602 |
| gisxb23 | Last 3 months - Choke, gag, sound wet during/after swallowing or with meals? | .579 | .499 | .513 |
| gisxb24 | Last 3 months - Refusing foods that ate in the past? | .291 | .276 | .580 |
| gisxb6 | Last year - severe GI pain >=2hrs caused child to stop activities? | .501 | .409 | .530 |
| gisxb15 | Ever Black, tarry BM? | .186 | .250 | .600 |
| gisxb16 | Ever Red blood in/after BM? | .155 | .122 | .605 |
| C. Scale: Constipation (number of items: 12, α= 0.769, standardized α= 0.762) | ||||
| Variable label | Item | Corrected Item-Total Correlation | Squared Multiple Correlation | Cronbach’s Alpha if Item Deleted |
| gisxb1a1 | Last 3 months - Abdominal (belly) pain? | .218 | .532 | .777 |
| othconst | Parent-defined constipation | .262 | .380 | .766 |
| gisxb2a | Last 3 months - Better after having a BM? | .605 | .622 | .727 |
| gisxb2c | Last 3 months - BMs harder, lumpier than ususal? | .552 | .657 | .735 |
| gisxb2e | Last 3 months - Fewer BMs than usual? | .622 | .715 | .728 |
| gisxb7a | In last 3 mos, child had fewer BMs than normal | .478 | .680 | .745 |
| gisxb8a | In last 3 mos, child’s BMs too hard | .331 | .531 | .762 |
| gisxb9 | Last 3 months - pain with BM? | .513 | .758 | .741 |
| gisxb13b | After BM, less irritable? | .516 | .551 | .739 |
| gisxb17b | Last 3 months - Retching? | .096 | .329 | .782 |
| gisxb19a | Last 3 months - Miss activitites: Pain and/or discomfort? | .385 | .638 | .756 |
| gisxb16 | Ever Red blood in/after BM? | .274 | .385 | .766 |
| D. Scale: Diarrhea (number of items: 3, α= 0.436, standardized α= 0.424) | ||||
| Variable label | Item | Corrected Item-Total Correlation | Squared Multiple Correlation | Cronbach’s Alpha if Item Deleted |
| gisxb1d1 | Last 3 months - Not hungry after eating very little | .164 | .214 | .550 |
| othdiarr | Parent-defined diarrhea | .158 | .273 | .495 |
| gisxb2b | Last 3 months - BMs softer, more watery than usual? | .541 | .335 | −.331a |
| E. Scale: FA/RAST+ (number of items: 10, α= 0.677, standardized α= 0.663) | ||||
| Variable label | Item | Corrected Item-Total Correlation | Squared Multiple Correlation | Cronbach’s Alpha if Item Deleted |
| gisxb1c1 | Last 3 months - Bloating | .269 | .271 | .668 |
| othdiarr | Parent-defined diarrhea | .452 | .283 | .628 |
| gisxb2b | Last 3 months - BMs softer, more watery than usual? | .604 | .539 | .589 |
| gisxb2d | Last 3 months - More BMs than ususal? | .460 | .520 | .628 |
| gisxb7c | In last 3 mos, child had more BMs than normal | .316 | .189 | .666 |
| gisxb8c | In last 3 mos, child’s BMs too soft or watery | .481 | .459 | .622 |
| gisxb11 | Last 3 months - Mucus, phlegm during BM? | .369 | .239 | .647 |
| gisxb19d | Last 3 months - Miss activitites: Excessive Gas? | .197 | .304 | .675 |
| gisxb22 | Last 3 months - Punching chest or neck, putting fist in mouth, biting hands, wrist? | .162 | .178 | .687 |
| gisxb16 | Ever Red blood in/after BM? | .058 | .142 | .694 |