Table 1.

Mean levels of DHEAS according to age and educational levels in the PAQUID study, by sex

Age and education level	Men		Women
	No.	Mean levels, ng/ml	No.	Mean levels, ng/ml
Age group, years
66–69	83	1006  ±  705	100	644  ±  449
70–74	60	821  ±  549	67	491  ±  251
75–79	77	745  ±  508	93	502  ±  374
≥80	46	696  ±  390	96	474  ±  381
Whole population		835  ±  579		532  ±  385
Education
No schooling	6	580  ±  244	15	513  ±  350
Primary with or  without degree	137	771  ±  546	209	523  ±  362
Secondary/university	123	920  ±  616	132	550  ±  424

Number of men studied 266, women 356. 

ANOVA shows a significant difference between men and women (P < 0.001) and for the four age classes in women (P = 0.03), but not for men (P = 0.06). Mean levels ± SD.