Duration of absence and recurrence of symptoms by sociodemographic factors

	Duration of absence (n=2816)				Recurrence of symptoms(n=1666)
	N	Mean	S.D.	P-value	N	Rate	P-value
Gender
Female	1666	85.7	150.6	0.014	1069	7.6%	0.146
Male	1144	77.0	155.2		597	5.7%
Age
- than 35	1570	68.8	141.1	0.0001	884	6.5%	0.148
35 - 55	975	94.6	152.7		634	8.2%
55 and +	265	115.4	201.2		148	4.1%
Number of dependents
0	2176	74.3	140.9	0.0001	1259	6.0%	0.039
1 - 2	545	105.4	175.0		353	9.9%
3 and +	89	132.3	234.9		54	7.4%
Marital status
Married/cohabiting	1371	93.3	149.8	0.0001	855	7.7%	0.177
Other	1439	71.5	154.4		811	6.0%