Validation of the English version of the Mood Rhythm Instrument

BMC Psychology

Table 1 Exploratory Factor Analysis of the English version of the Mood Rhythm Instrument items based on a three-factor solution

Items	Factor 1	Factor 2	Factor 3
1. Alertness	0.43	0.16	0.45
2. Sleepiness	0.26	0.2	0.72
3. Problem-Solving	0.76	0.09	0.28
4. Self-esteem	0.15	0.45	0.44
5. Concentration	0.64	0.1	0.31
6. Appetite	0.12	0.19	0.54
7. Sexual Arousal	0.11	0.26	0.45
8. Irritability	0.15	0.37	0.49
9. Anxiety	0.1	0.66	0.21
10. Sadness	0.1	0.85	0.01
11. Motivation to Exercise	0.2	−0.12	0.45
12. Memory	0.72	0.24	0
13. Pessimism	0.18	0.63	0.14
14. Talking to Friends	0.32	0.31	0.17
15. Energy	0.59	0.11	0.46
Eigenvalues	2.38	2.26	2.32
% of variance	0.16	0.15	0.15

ISSN: 2050-7283