APPENDIX 1.

Mean Scores for Occupational Characteristics for Census Occupational Categories

	Mean ± SD Score
Characteristic	Managerial	Professional Specialty	Technical, Sales, and Administrative	Service	Farming, Forestry, and Fishing	Precision Production, Craft, and Repair	Operators, Fabricators, and Laborers
Ability to perform a variety of duties often changing from one task to another of a different nature without loss of efficiency or composure	51.1 ± 24.8	36.5 ± 33.3	41.9 ± 30.7	52.2 ± 33.4	16.9 ± 0.6	56.8 ± 28.7	15.8 ± 20.1
Ability to deal with people beyond giving and receiving instructions	73.0 ± 25.8	81.2 ± 27.0	65.0 ± 32.1	60.4 ± 39.1	5.9 ± 11.4	21.6 ± 30.5	30.2 ± 26.8
Adaptability to situations involving feelings, ideas, or facts in terms of a personal viewpoint	3.6 ± 6.5	17.3 ± 25.7	0.5 ± 0.9	1.3 ± 3.2	0.2 ± 0.2	0.2 ± 0.4	0.3 ± 0.5
Ability to make generalizations, judgments, or decisions based on measurable or verifiable criteria	52.2 ± 18.0	35.3 ± 38.6	23.7 ± 26.8	12.7 ± 15.5	46.0 ± 19.1	71.3 ± 23.0	24.8 ± 28.6
Ability to perform under stress when confronted with emergency, critical, unusual, or dangerous situations	0.8 ± 1.3	10.3 ± 23.5	8.2 ± 21.7	21.7 ± 35.4	1.5 ± 4.0	1.9 ± 2.7	0.6 ± 1.8
Ability to perform repetitive work or to continuously perform the same work according to set procedures, sequence, or pace	6.0 ± 5.2	1.1 ± 1.4	16.3 ± 22.5	28.5 ± 28.7	30.2 ± 15.0	17.0 ± 22.1	48.8 ± 20.4
Preference for activities of an abstract and creative nature	1.1 ± 0.8	21.4 ± 27.7	1.0 ± 1.6	7.56 ± 24.3	0.2 ± 0.3	0.6 ± 0.9	0.4 ± 0.8
Preference for activities of a concrete, routine, or organized nature	15.3 ± 11.6	2.4 ± 3.0	38.7 ± 33.0	49.6 ± 36.3	62.9 ± 28.0	22.0 ± 25.0	70.0 ± 27.4
Motor skill
Finger dexterity	2.1 ± 0.1	2.7 ± 0.6	2.8 ± 0.5	2.3 ± 0.4	2.3 ± 0.1	2.7 ± 0.3	2.3 ± 0.3
Manual dexterity	2.1 ± 0.1	2.6 ± 0.6	2.6 ± 0.3	2.9 ± 0.3	2.8 ± 0.3	3.1 ± 0.4	2.7 ± 0.4
Motor coordination	2.1 ± 0.1	2.6 ± 0.5	2.8 ± 0.5	2.5 ± 0.5	2.4 ± 0.2	2.7 ± 0.2	2.7 ± 0.2