Table 1

A priori matches of American O*NET JEM exposure variables (n=239 SOC codes) to French CONSTANCES JEM exposure variables (n=367 PCS codes)

French CONSTANCES JEM	American O*NET JEM
Physical intensity.	Performing general physical activities.
	Dynamic strength.
	Static strength.
	Trunk strength.
Stand.	Spend time standing.
Stand.	Spend time walking and running.
Repetition.	Spend time making repetitive motions.
	Spend time using your hands.
	Handling and moving objects.
	Wrist finger speed.
Changes tasks.	No exposure match.
Rest eyes.	No exposure match.
Kneel or squat.	Spend time kneeling, crouching, stooping or crawling.
Bend trunk.	Spend time bending or twisting body.
Bend trunk.	Cramped work space and awkward positions.
Drive machinery.	Operating vehicles mechanised devices or equipment.
Drive car or truck.	Operating vehicles mechanised devices or equipment.
†Handle object: 1–4 kg and >4 kg. †Carry loads: <10 kg, 10–25 kg and >25 kg.	Spend time using your hands (only for handle object 1–4 kg).
	Dynamic strength (all handle/carry variables).
	Static strength (all handle/carry variables).
	Handling and moving objects (all handle/carry variables).
	Trunk strength (only for carry loads 10–25 kg and >25 kg).
Use vibrating tools.	Exposed to whole body vibration.
Use computer screen.	Interacting with computers.
Use keyboard or scanner.	Interacting with computers.
Use keyboard or scanner.	Importance of repeating same tasks.
Bend neck.	No exposure match.
Arms above shoulder.	No exposure match.
Reach behind.	Cramped work space and awkward positions.
Reach behind.	Spend time bending or twisting body.
Arms abducted.	No exposure match.
Bend elbow.	Handling and moving objects.
Rotate forearm.	Spend time using your hands.
Rotate forearm.	Handling and moving objects.
Bend wrist.	Spend time using your hands.
	Handling and moving objects.
	Wrist finger speed.
Press base of hand.	No exposure match.
Finger pinch.	Finger dexterity.
	Manual dexterity.
	Wrist finger speed.
Work outdoors.	Outdoors exposed to weather.
Work outdoors.	Outdoors under cover.

†There are two separate questions under ‘handle object’ and three questions under ‘carry loads’, representing different weights handled. We indicate in parentheses the matches between O*NET variables and CONSTANCES ‘handle object’ and ‘carry loads’ variables, comprising a total of 18 matched pairs.
CONSTANCES, Cohorte des consultants des Centres d’examens de santé ; JEM, job exposure matrix; O*NET, Occupational Information Network; PCS, Profession et Catégorie Sociale.