TABLE 5.
Results of factor analysis (equamax rotation) performed on the items of the Daily Record of Severity of Problems (DRSP) rating scale during 28 days of the menstrual cycle.
| Component | ||||
| 1 | 2 | 3 | 4 | |
| Depression | 0.563 | 0.294 | 0.203 | 0.488 |
| Hopelessness | 0.333 | −0.032 | 0.220 | 0.746 |
| Anxious | 0.469 | 0.234 | 0.267 | 0.578 |
| Mood swings | 0.717 | 0.278 | 0.158 | 0.371 |
| Sensitive to rejection | 0.524 | 0.291 | 0.374 | 0.485 |
| Angry-irritability | 0.719 | 0.336 | 0.222 | 0.240 |
| More conflicts | 0.785 | 0.236 | 0.223 | 0.159 |
| Less interest | 0.577 | 0.391 | 0.401 | 0.182 |
| Concentration | 0.307 | 0.799 | 0.008 | 0.173 |
| Lethargy | 0.122 | 0.601 | 0.209 | 0.629 |
| Appetite | 0.117 | 0.466 | 0.619 | 0.316 |
| Craving | 0.132 | 0.313 | 0.716 | 0.317 |
| Sleepiness | 0.215 | 0.593 | 0.363 | 0.313 |
| Insomnia | 0.066 | 0.072 | 0.154 | 0.831 |
| Overwhelmed | 0.478 | 0.364 | 0.262 | 0.522 |
| Out of control | 0.613 | 0.185 | 0.488 | 0.290 |
| Breast tenderness | 0.252 | 0.094 | 0.772 | 0.187 |
| Breast swelling | 0.206 | 0.156 | 0.838 | 0.183 |
| Headache | 0.240 | 0.663 | 0.349 | 0.060 |
| Muscle/joint pain | 0.096 | 0.514 | 0.207 | 0.630 |
| Productivity | 0.405 | 0.705 | 0.415 | 0.082 |
| Hobbies | 0.538 | 0.496 | 0.490 | 0.199 |
| Relationships | 0.557 | 0.448 | 0.489 | 0.177 |
Extraction Method: Principal Component Analysis; Rotation Method: Equamax with Kaiser Normalization. Significant loadings are shown in bold (≥0.5). depression DRSP = Felt depressed, sad, “down,” or “blue” (item 1a). hopelessness DRSP = Felt hopeless (item 1b). Anxious = Felt anxious, tense, “keyed up” or “on edge” (item 2). Swing = Had mood swings (e.g., suddenly felt sad or tearful) (item 3a). Sensitive = Was more sensitive to rejection or my feelings were easily hurt (item 3b). Angry = Felt angry, irritable (item 4a). Conflict = Had conflicts or problems with people (item 4b). less interest = Had less interest in usual activities (e.g., work, school, friends, hobbies) (item 5). concentration = Had difficulty concentrating (item 6). Lethargy = Felt lethargic, tired, fatigued, or had a lack of energy (item 7). Appetite = Had increased appetite or overate (item 8a). Craving = Had cravings for specific foods (item 8b). Sleep = Slept more, took naps, found it hard to get up when intended (item 9a). Insomnia = Had trouble getting to sleep or staying asleep (item 9b). Overwhelm = Felt overwhelmed or that I could not cope (item 10a). out of control = Felt out of control (item 10b). tenderness = Had breast tenderness (item 11a). Swelling = Had breast swelling, felt “bloated”, or had weight gain (item 11b). Headache = Had headache (item 11c). muscle/joint pain = Had joint or muscle pain (item 11d). productivity = At work, at school, at home, or in daily routine, at least one of the problems noted above caused reduction of productivity or inefficiency. Hobbies = At least one of the problems noted above interfered with hobbies or social activities (e.g., avoid or do less). Relationships = At least one of the problems noted above interfered with relationships with others.