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. Author manuscript; available in PMC: 2024 Jul 23.
Published in final edited form as: Am J Ind Med. 2023 Jul 13;66(9):794–804. doi: 10.1002/ajim.23515

Table 4.

Self-reported symptoms and safety behaviors from young adult hog producers enrolled in Gear Up for Ag programs (2017–2021).

Variable Proportional response % (N)

Total Males Females P-Value
Pre-Survey N = 703 N = 512 N = 190

Ever experienced shortness of breath, cough, fever, or chills ever experienced with agricultural work in a dusty environment Yes 39.8% (274) 38.5% (197) 40.5% (77) 0.41
No 49.8% (350) 49.8% (255) 50% (95) 0.41
Missing* 11.2% (79) 11.7% (60) 9.5% (18) 0.40

Wears a NIOSH-certified filtering facepiece respirator (N95) when performing agricultural work in dusty environments Always 15.5% (109) 17.1 (88) 13.0 (25) 0.40
Sometimes 60.7 5 (427) 64.5 (311) 49.9 (95) 0.01
Never 10.7% (75) 7.8 (40) 16.4 (31) 0.02
Missing 13.1% (92) 10.6 (73) 20.7 (39) 0.04

Ever worn a cartridge style respirator when performing different tasks on the farm Yes 30.4% (214) 37.4 (191) 13.1 (25) <0.0001
No 59.0% (415) 51.8 (265) 79.0 (150) <0.0001
Missing 10.5% (74) 10.8 (55) 7.9 (15) 0.26

Ever been fit tested for a respirator Yes 5.2% (37) 6.4% (33) 2.0% (4) 0.022
No 72.1% (509) 72.1% (369) 72.6% (138) 0.88
Unsure 12.7% (90) 10.5% (54) 24.7% (47) <0.0001
Missing 9.4% (67) 10.9% (56) 0.1% (1) 0.7315

Finds value in receiving NIOSH-certified respirators as part of an educational program Yes 78.8% (554) 83.0% (425) 67.4% (128) <0.0001
No 8.1% (57) 7.0% (36) 11.1% (21) 0.115
Unsure 12.7% (89) 9.4% (48) 21.6% (41) <0.0001
Missing 1.3% (9) 0.5% (3) 0% (0)

Total** Males Females P-Value
Post-Survey N = 212 N = 106 N = 80 P-Value

Likely to wear the filtering facepiece respirator (N95) received during the program Very likely 43.3% (92) 45.3% (48) 33.8% (27) 0.112
Somewhat likely 40.5% (86) 39.6% (42) 50.0% (40) 0.158
Not likely 8.5% (18) 6.6% (7) 12.5% (10) 0.168
Missing 7.5% (16) 8.5% (9) 3.8% (3) 0.7956

Likely to wear the cartridge style respirator received during the program Very likely 35.8% (76) 38.7% (41) 30.0% (24) 0.219
Somewhat likely 43.4% (92) 41.5% (44) 41.3% (33) 0.968
Not likely 11.8% (25) 9.4% (10) 18.8% (15) 0.066
Missing 9.0% (19) 10.4% (11) 10. 0% (8) 0.93

Purchased an additional respirator for themselves or someone else after the program Yes 20.3% (43) 27.4% (29) 17.5% (14) 0.114
No 64.6% (137) 71.7% (76) 76.3% (61) 0.484
Missing 2.8% (6) 0.9% (1) 6.3% (5) 0.842
*

Missing = survey question response was blank;

**

'Total' of 212 does not equal overall numbers of males and females, n=26 had missing data for gender.

Indicates significant difference observed between males and females using a two-sample Z-test for proportions or two sample chi-square test for proportions if N ≤ 5.