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Table 3 Adjusted Effect of WOMAC Score and Arthritis Diagnosis on Economic Risk Outcomesa, Overall and Stratified by Top Farming/Ranching Commodity

From: WOMAC score and arthritis diagnosis predict decreased agricultural productivity

Outcomes Measuring Economic Risk WOMACc Arthritis Diagnosis Osteoarthritis Diagnosis
Estimateb 95% CI P-value Estimateb 95% CI P-value Estimateb 95% CI P-value
Overall
 Lower workload capacity 2.00 [1.58, 2.55] < 0.01 4.66 [2.71, 8.01] < 0.01 3.47 [1.97, 6.11] < 0.01
 Lower financial well-being status 1.23 [1.01, 1.48] 0.04 1.02 [0.65, 1.62] 0.92 0.83 [0.48, 1.42] 0.49
 Reliance on others 1.82 [1.32, 2.55] < 0.01 3.23 [1.56, 6.66] < 0.01 1.07 [0.54, 2.13] 0.85
Cattle Ranchers
 Lower workload capacity 1.95 [1.44, 2.64] < 0.01 6.65 [3.26, 13.54] < 0.01 3.11 [1.51, 6.40] < 0.01
 Lower financial well-being status 1.13 [0.87, 1.45] 0.38 0.92 [0.52, 1.65] 0.79 0.36 [0.17, 0.78] 0.01
 Reliance on others 2.71 [1.52, 4.81] < 0.01 3.11 [1.27, 7.65] 0.01 0.65 [0.26, 1.60] 0.35
Sheep Ranchersd
 Lower workload capacity 6.04 [1.37, 26.73] 0.02 5.53 [0.42, 72.38] 0.19 11.80 [0.93, 150.56] 0.06
 Lower financial well-being status 2.28 [0.94, 5.55] 0.07 0.71 [0.10, 4.78] 0.72 1.44 [0.25, 8.34] 0.69
 Reliance on others 1.82 [0.49, 6.67] 0.37 1.23 [0.07, 21.06] 0.89 1.45 [0.13, 16.44] 0.77
Small Grain/Cereal Farmers
 Lower workload capacity 1.54 [1.12, 2.10] 0.01 3.40 [1.44, 8.01] 0.01 2.68 [1.14, 6.28] 0.02
 Lower financial well-being status 1.24 [0.95, 1.64] 0.12 1.15 [0.55, 2.43] 0.71 1.04 [0.45, 2.39] 0.92
 Reliance on others 1.74 [1.12, 2.74] 0.02 6.22 [1.68, 23.09] 0.01 1.93 [0.62, 5.99] 0.25
Pulse Crop Farmersd
 Lower workload capacity 3.64 [1.45, 9.17] 0.01 3.29 [0.72, 14.99] 0.12 1.82 [0.44, 7.57] 0.41
 Lower financial well-being status 2.04 [1.15, 3.64] 0.02 1.54 [0.40, 5.97] 0.53 2.77 [0.60, 12.79] 0.19
 Reliance on others 2.48 [0.89. 7.01] 0.08 7.04 [0.83, 59.81] 0.07 5.97 [0.51, 69.83] 0.15
Hay Farmers
 Lower workload capacity 2.64 [1.68, 4.15] < 0.01 4.87 [1.99, 11.89] < 0.01 3.91 [1.50, 10.16] 0.01
 Lower financial well-being status 1.33 [0.92, 1.93] 0.12 0.96 [0.46, 2.01] 0.91 0.85 [0.33, 2.15] 0.73
 Reliance on others 2.74 [1.26, 5.94] 0.01 2.27 [0.70, 7.32] 0.17 0.43 [0.11, 1.63] 0.21
  1. aResults from regression models, adjusted by age, years working, and BMIbEstimates are expressed as Cumulative Odds Ratios for “lower workload capacity “and “lower financial wellbeing status “, and as Odds Ratios for “reliance on others”
  2. cEstimates show multiplicative change in odds per 10-unit increase in WOMAC score
  3. dBecause of the low number of respondents producing these commodities, stratified analyses are limited in power and data for these commodities should be considered dubious