Table 5.
Comparisons across time within the secondary outcome measures within the psychology group
| N | Baseline |
3-Month follow-up |
Comparisons |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Percentiles |
Percentiles |
z Statistic | p Value | ||||||
| Lower | Mdn | Upper | Lower | Mdn | Upper | ||||
| CDC CFS sore throat | 14 | 0 | 2 | 6 | 0 | 0 | 2.500 | −1.365 | 0.172 |
| CDC CFS swollen lymph nodes/glands | 14 | 0 | 0.5 | 2.5 | 0 | 0 | 4 | −0.341 | 0.733 |
| CDC CFS diarrhoea | 14 | 0 | 0 | 2 | 0 | 0 | 2.500 | −0.730 | 0.465 |
| CDC CFS fatigue after exertion | 14 | 9 | 12 | 20 | 7.750 | 9 | 14 | −1.550 | 0.121 |
| CDC CFS muscle aches/pains | 14 | 4 | 9 | 15.25 | 1.750 | 9 | 14 | −2.145 | 0.032* |
| CDC CFS pain in joints | 14 | 0 | 2.5 | 9 | 0 | 0.500 | 4.500 | −1.778 | 0.075 |
| CDC CFS fever | 14 | 0 | 0 | 1.5 | 0 | 0 | 0.500 | −0.135 | 0.892 |
| CDC CFS chills | 14 | 0 | 1 | 6.75 | 0 | 0 | 4.500 | −1.970 | 0.049* |
| CDC CFS unrefreshing sleep | 14 | 9 | 12 | 15.25 | 5.500 | 9 | 16 | −0.802 | 0.422 |
| CDC CFS sleeping problems | 14 | 2.75 | 7 | 12 | 1 | 3 | 9.750 | −1.738 | 0.082 |
| CDC CFS headaches | 14 | 1 | 2.5 | 6 | 0.750 | 1 | 6.750 | −1.200 | 0.230 |
| CDC CFS memory problems | 14 | 1 | 6 | 9 | 0.750 | 1 | 6.750 | −1.965 | 0.049* |
| CDC CFS difficulty concentrating | 14 | 3.5 | 9 | 17 | 1 | 5 | 6.750 | −2.809 | 0.005** |
| CDC CFS nausea | 14 | 0 | 0 | 4.25 | 0 | 1 | 4.500 | −0.213 | 0.832 |
| CDC CFS abdominal pain | 14 | 0 | 2 | 5.25 | 0 | 0 | 6 | −0.343 | 0.732 |
| CDC CFS sinus nasal symptoms | 14 | 1 | 3.5 | 4.5 | 0 | 1.500 | 4.500 | −0.724 | 0.469 |
| CDC CFS shortness of breath | 14 | 0 | 1.5 | 4.5 | 0 | 0.500 | 2.50 | −1.556 | 0.120 |
| CDC CFS sensitivity to light | 14 | 0 | 1 | 4.5 | 0 | 0 | 1.250 | −1.973 | 0.049* |
| CDC CFS depression | 14 | 0 | 1.5 | 6 | 0 | 0 | 2 | −1.614 | 0.106 |
| MHLCS internal | 14 | 0.556 | 0.653 | 0.840 | 0.611 | 0.872 | 0.923 | −2.983 | 0.003** |
| MHLCS chance | 14 | 0.326 | 0.417 | 0.535 | 0.167 | 0.361 | 0.451 | −2.594 | 0.009** |
| MHLCS powerful others | 14 | 0.319 | 0.375 | 0.451 | 0.299 | 0.356 | 0.431 | 0.000 | 1.000 |
| MHLCS doctors | 14 | 0.083 | 0.125 | 0.194 | 0.083 | 0.083 | 0.174 | −1.122 | 0.262 |
| MHLCS other people | 14 | 0.194 | 0.236 | 0.285 | 0.194 | 0.222 | 0.257 | −0.118 | 0.906 |
*Significant at 0.05 level.
**Significant at 0.01 level.
CDC CFS, Centers for Disease Control Chronic Fatigue Syndrome Inventory; CFS, chronic fatigue syndrome; Mdn, median; MHLCS, Multidimensional Health Locus of Control Scale.