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Table 4 Associations between occupation and adjusted mean annual change in FEV1 and FVC

From: Occupation and three-year incidence of respiratory symptoms and lung function decline: the ARIC Study

  Men
(N = 3,949)
Women
(N = 5,018)
  No. (%) FEV1, in mL1 FVC, in mL1 No. (%) FEV1, in mL1 FVC, in mL1
Managerial and Administrative Support Occupations 1,082 (27.4) 0.00 (referent) 0.00 (referent) 1,392 (27.7) 0.00 (referent) 0.00 (referent)
Professional Specialty Occupations 633 (16.0) -2.66 (-9.33, 4.01) 1.69 (-6.88, 10.25) 774 (15.4) 0.64 (-3.82, 5.09) -1.68 (-7.78, 4.41)
Technical and Sales Occupations Service Occupations 577 (14.6) -1.50 (-8.36, 5.37) -1.69 (-10.51, 7.12) 458 (9.1) -0.86 (-6.11, 4.40) -7.08 (-14.26, 0.11)
Private household occupations 2 (0.1) -14.80 (-108.99, 79.39) -45.21 (-166.1, 75.68) 415 (8.3) -2.67 (-8.31, 2.98) -2.92 (-10.64, 4.80)
Protective service 68 (1.7) 7.02 (-9.71, 23.74) 16.29 (-5.18, 37.76) 22 (0.4) 18.32 (-2.60, 39.24) 9.8 (-18.83, 38.43)
Food preparation and service 23 (0.6) -25.04 (-53.39, 3.31) -37.99 (-74.37, -1.60) 203 (4.1) 1.08 (-6.36, 8.53) -1.39 (-11.58, 8.80)
Health service 13 (0.3) -16.61 (-53.99, 20.77) -11.24 (-59.22, 36.74) 189 (3.8) 1.37 (-6.35, 9.09) -0.79 (-11.35, 9.77)
Cleaning and building service 89 (2.3) 14.43 (-0.51, 29.36) 22.96 (3.79, 42.12) 99 (2.0) 4.34 (-5.94, 14.61) 8.33 (-5.74, 22.39)
Other service occupations 27 (0.7) 16.64 (-9.39, 42.68) 12.39 (-21.03, 45.80) 137 (2.7) 0.04 (-8.71, 8.80) 1.44 (-10.54, 13.42)
Farming, Forestry, and Fishing Occupations 79 (2.0) 8.54 (-7.14, 24.23) -0.34 (-20.47, 19.79) 15 (0.3) 16.35 (-8.91, 41.61) 15.65 (-18.92, 50.22)
Precision Occupations       
Mechanics and repairers 238 (6.0) -2.11 (-11.68, 7.47) 1.61 (-10.69, 13.90) 12 (0.2) -2.72 (-30.95, 25.52) 8.44 (-30.21, 47.08)
Construction and extractive trades 275 (7.0) 0.62 (-8.43, 9.66) -3.41 (-15.02, 8.20) 7 (0.1) 23.08 (-13.82, 59.99) -20.08 (-70.59, 30.42)
Other precision occupations 219 (5.6) -7.16 (-17.06, 2.74) -4.69 (-17.39, 8.02) 78 (1.6) 4.71 (-6.63, 16.06) 12.15 (-3.37, 27.68)
Machine Operating Occupations       
Textile, apparel, furnishing machine operators 8 (0.2) -25.17 (-72.50, 22.17) -75.31 (-136.06, -14.55) 85 (1.7) 5.37 (-5.58, 16.32) 0.08 (-14.91, 15.06)
Machine operators, assorted materials 101 (2.6) 6.73 (-7.28, 20.75) 8.76 (-9.23, 26.75) 91 (1.8) -9.47 (-20.05, 1.10) -8.70 (-23.18, 5.77)
Hand working occupations 41 (1.0) -22.38 (-43.58, -1.18) -26.11 (-53.32, 1.10) 52 (1.0) -3.92 (-17.67, 9.83) -9.78 (-28.60, 9.05)
Motor vehicle operation 196 (5.0) -1.40 (-11.88, 9.08) -6.14 (-19.59, 7.32) 25 (0.5) 4.98 (-14.72, 24.68) -0.17 (-27.13, 26.79)
Transportation, excl. motor vehicle 78 (2.0) -2.66 (-18.33, 13.00) 3.11 (-17.00, 23.21) 5 (0.1) 18.38 (-25.38, 62.13) 13.78 (-46.11, 73.67)
Handlers, equipment cleaners, helpers, laborers 109 (2.8) -3.19 (-16.7, 10.32) -1.18 (-18.52, 16.16) 62 (1.2) -5.93 (-18.56, 6.70) -2.10 (-19.39, 15.19)
Other machine operating occupations 85 (2.2) 4.22 (-10.86, 19.30) 7.8 (-11.56, 27.16) 79 (1.6) -1.43 (-12.75, 9.89) -12.44 (-27.93, 3.05)
Homemaker, no other job reported 6 (0.2) -25.84 (-80.58, 28.90) 28.89 (-41.37, 99.16) 818 (16.3) 0.08 (-4.43, 4.59) 0.71 (-5.47, 6.88)
  1. 1Mean change (with 95% CI) per year, adjusted for age, age squared, height, height squared, number of cigarettes per day, race, smoking status, and study center