Table 4.

Multivariable odds ratios (OR) and 95% confidence intervals (CI) of cancer cognitive complaints (n = 1610) and clinical, demographic and lifestyle characteristics based on chemotherapy model

	Cancer cognitive complaints
	n cases 1214	Model
		Multivariableb
		OR	95% CI
Chemotherapy
No	201	1.00	Reference
Yes	1013	3.67	2.80‐4.82
Postcancer curative treatment time
≤1 y	342	1.00	Reference
1‐3 y	449	1.04	0.73‐1.45
≥3 y	423	0.72	0.52‐1.01
Cancer without metastasis
No	171	1.00	Reference
Yes	1043	1.21	0.80‐1.84
Age
21‐64 y	1135	1.00	Reference
≥65 y	79	0.37	0.23‐0.58
Employment status
Employed (full‐time or part‐time)	686	1.00	Reference
Sick leave	151	1.27	0.78‐2.07
Student, retired	181	0.83	0.56‐1.24
Unemployment	61	1.10	0.58‐2.06
Other	135	1.12	0.72‐1.76
Self–reported sleep difficulties
Never	69	1.00	Reference
Sometimes	399	1.67	1.06‐2.61
Often	746	2.84	1.80‐4.47
Frequency of psychotropic treatments
Never	772	1.00	Reference
<1/month	156	1.32	0.88‐1.97
≥1/month and <1x/wk	63	1.23	0.67‐2.56
≥1/wk	223	1.27	0.88‐1.84
Preexisting knowledgea
No	698	1.00	Reference
Yes	516	1.69	1.29‐2.22

In bold in the table: significant results.

^aPreexisting knowledge about chemotherapy–associated cognitive problems.

^bMutually adjusted.