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Table 2 Characteristics of study participants. Number (%) are presented

From: Pesticide exposure assessed through agricultural crop proximity and risk of amyotrophic lateral sclerosis

  Cases Controls Total
Sex
 Male 365 (51.6) 1413 (51.9) 1778 (51.7)
 Female 337 (48.4) 1324 (48.1) 1662 (48.3)
Age
 Mean (SD) 65.9 (12.0) 66.0 (11.9) 66.0 (11.9)
  < 65 years 281 (40.0) 1088 (39.7) 1369 (39.8)
  ≥ 65 years 422 (60.0) 1649 (60.3) 2071 (60.2)
Region
Emilia Romagna 499 (71.0) 1935 (70.7) 2434 (70.8)
 Parma 112 (15.9) 431 (15.7) 543 (15.8)
 Reggio Emilia 152 (21.6) 599 (21.9) 751 (21.8)
 Modena 235 (33.4) 905 (33.1) 1140 (33.1)
Sicily (Catania) 204 (29.0) 802 (29.3) 1006 (29.2)
Birth country
 Italian 682 (97.0) 2681 (98.0) 3363 (97.8)
 Foreign 21 (3.0) 56 (2.0) 77 (2.2)
Total 703 2737 3440