Table 4.
Symptom Clusters From Binary Exploratory Factor Analyses With Weighted Least Squares Estimation and Varimax Rotation
| Sample | Symptom Cluster 1 | Symptom Cluster 2 | Symptom Cluster 3 | Symptom Cluster 4 | Statistics |
|---|---|---|---|---|---|
| Total sample | Shortness of breath (0.56) | Night sweats (0.54) | Leg or arm weakness (0.50) | Weight loss (−0.75) | χ2= 160.218 |
| (N = 995) | Chest palpitations (0.62) | Fatigue (0.56) | Generalized pain (0.51) | Weight gain (0.68) | df = 135 |
| Chest pain (0.76) | Nausea (0.83) | Joint pain (0.48) | Loss of appetite (−0.58) | p = 0.068 | |
| Abdominal pain (0.43) | Vomiting (0.61) | Walking problems (0.81) | Overeating (0.81) | RMSR = 0.048 | |
| Back pain (0.42) | Balance problems (0.45) | RMSEA = 0.014 | |||
| Cancer history | Skin rash (0.52) | Fatigue (0.73) | Leaking urine (−0.80) | Weight gain (0.81) | χ2 = 60.005 |
| (n = 149) | Itching (0.53) | Nausea (0.66) | Frequent urination (−0.58) | Overeating (0.90) | df = 54 |
| Night sweats (0.85) | Diarrhea (0.72) | Walking problems (−0.60) | Shortness of breath (0.41) | p = 0.267 | |
| Constipation (0.63) | Generalized pain (0.66) | Balance problems (−0.48) | Chest palpitations (0.47) | RMSR = 0.106 | |
| Dizziness standing (0.65) | Sleeping problems (0.50) | Joint pain (0.61) | RMSEA = 0.027 | ||
| Abdominal pain (0.57) | |||||
| Back pain (0.50) | |||||
| No cancer history | Shortness of breath (0.54) | Night sweats (0.60) | Weight loss (−0.77) | Leg or arm weakness (0.47) | χ2= 137.607 |
| (n = 846) | Chest palpitations (0.61) | Fatigue (0.64) | Weight gain (0.64) | Walking problems (0.83) | df = 126 |
| Chest pain (0.68) | Nausea (0.75) | Loss of appetite (−0.63) | Balance problems (0.52) | p = 0.226 | |
| Back pain (0.51) | Diarrhea (0.63) | Overeating (0.80) | RMSR = 0.044 | ||
| Generalized pain (0.46) | RMSEA = 0.010 | ||||
| Abdominal pain (0.54) | |||||
| Sleep problems (0.41) | |||||
| Rheumatoid arthritis | Hearing problems (0.41) | Night sweats (0.59) | Weight loss (0.78) | Leg or arm weakness (0.45) | χ2= 132.249 |
| (n = 597) | Shortness of breath (0.54) | Fatigue (0.65) | Weight gain (−0.68) | Generalized pain (0.48) | df = 118 |
| Chest palpitations (0.44) | Nausea (0.66) | Loss of appetite (0.75) | Walking problems (0.90) | p = 0.175 | |
| Chest pain (0.57) | Diarrhea (0.59) | Overeating (−0.82) | Balance problems (0.58) | RMSR = 0.050 | |
| Back pain (0.41) | Abdominal pain (0.50) | RMSEA = 0.014 | |||
| Leaking urine (0.45) | Sleep problems (0.41) | ||||
| Frequent urination (0.46) | |||||
| Urinary incontinence | Diarrhea (0.63) | Fainting (0.64) | Leg or arm paralysis (0.50) | − | χ2 = 75.581 |
| (n = 399) | Hearing problems (0.65) | Sleep problems (0.65) | Shortness of breath (0.75) | df = 77 | |
| Dizziness standing (0.48) | Walking problems (0.57) | Chest palpitations (0.50) | p = 0.524 | ||
| Generalized pain (0.90) | RMSR = 0.060 | ||||
| Chest pain (0.51) | RMSEA < 0.001 | ||||
| Abdominal pain (0.44) |
df—degrees of freedom; RMSEA—root mean square error of approximation; RMSR—root mean square residual
Note. Smaller sample sizes compared to original sample were caused by some missing symptom data.