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Table 1 Perceptions of workplace heat exposure: prevalence estimates (%) and 95% CIs by different subgroups

From: Perceptions of workplace heat exposure and adaption behaviors among Chinese construction workers in the context of climate change

Independent variable N % Concern for extreme heat Concern for heat-related injury Positive attitude for more training Positive attitude for more regulation Positive attitude for adjusting work habits Degree of satisfaction on preventive measures Positive attitude for work efficiency
Total 318 100 33.3 (28.1–38.5) 43.8 (38.3–49.3) 89.4 (85.9–92.9) 91.2 (88.1–94.3) 81.6 (77.2–86.1) 74.8 (70.0–79.6) 63.5 (58.2–68.8)
Gender
 Male 239 75.2 35.1 (29–41.2) 43.9 (37.5–50.2) 90.3 (86.4–94.2) 92.1 (88.6–95.5) 82.8 (77.8–87.8) 74.5 (68.9–80.0) 68.2 (62.3–74.1)
 Female 79 24.8 27.8 (17.7–38) 43.6 (32.3–54.8) 86.7 (78.8–94.5) 88.6 (81.4–95.8) 78.1 (68.4–87.8) 75.9 (66.3–85.6) 49.4 (38.1–60.6)
Age group (years)
  ≤ 24 87 27.4 43.7 (33–54.3) 37.9 (27.5–48.3) 88.7 (81.7–95.8) 93.1 (87.7–98.5) 80.0 (71.0–89.0) 70.1 (60.3–79.9) 54.0 (43.3–64.7)
 25–34 153 48.1 28.8 (21.5–36) 47.7 (39.6–55.7) 89.8 (84.8–94.7) 92.8 (88.7–96.9) 82.6 (76.4–88.9) 76.5 (69.7–83.3) 67.3 (59.8–74.8)
 35–54 70 22.0 34.3 (22.9–45.7) 44.9 (32.9–57) 88.2 (80.4–96.1) 87.1 (79.1–95.2) 81.0 (71–90.9) 74.3 (63.8–84.8) 67.1 (55.9–78.4)
55 8 2.5 0.0 (00) 25.0(−13.7–63.7) 100 (100–100) 75.0 (36.3–113.7) 85.7 (50.8–120.7) 100 (100–100) 62.5 (19.2–105.8)
Education level
 Primary and secondary schools 20 6.3 40.0 (16.5–63.5) 27.8 (4.9–50.7) 90.0 (75.6–104.4) 85.0 (67.9–102.1) 76.5 (54.0–99.0) 90.0 (75.6–104.4) 65.0 (42.1–87.9)
 High school/vocational high school 26 8.2 34.6 (15–54.2) 15.4 (0.5–30.2) 91.3 (78.8–103.8) 76.9 (59.6–94.3) 70.8 (51.2–90.4) 80.8 (64.5–97.0) 46.2 (25.6–66.7)
 Training school 105 33.0 30.5 (21.5–39.4) 45.2 (35.5–54.9) 88.9 (82.6–95.2) 92.4 (87.2–97.5) 81.6 (73.8–89.4) 73.3 (64.7–81.9) 69.5 (60.6–78.5)
 Undergraduate college 162 50.9 34.0 (26.6–41.3) 49.4 (41.6–57.2) 89.0 (84.1–94) 93.2 (89.3–97.1) 83.4 (77.4–89.4) 72.8 (65.9–79.8) 63.0 (55.4–70.5)
 Postgraduate 5 1.6 40.0(−28–108) 40.0(−28–108) 100 (100–100) 100 (100–100) 100 (100–100) 80.0 (24.5–135.5) 40.0(− 28.0–108.0)
Workplace environment
 Completely indoors 43 13.5 25.6 (12–39.2) 39.5 (24.3–54.8) 87.2 (76.2–98.2) 83.7 (72.2–95.2) 76.9 (63.1–90.8) 72.1 (58.1–86.1) 58.1 (42.8–73.5)
 Mainly indoors 119 37.4 32.8 (24.2–41.3) 42.4 (33.3–51.4) 87.8 (81.8–93.9) 92.4 (87.6–97.3) 78.8 (71.1–86.4) 83.2 (76.4–90.0) 58.8 (49.9–67.8)
 Completely outdoors 14 4.4 35.7 (7.0–64.4) 53.8 (22.5–85.2) 92.9 (77.4–108.3) 85.7 (64.7–106.7) 100 (100–100) 42.9 (13.2–72.5) 78.6 (54.0–103.2)
 Mainly outdoors 131 41.2 36.6 (28.3–45) 46.9 (38.2–55.6) 91.1 (85.9–96.2) 93.1 (88.7–97.5) 83.8 (77.0–90.5) 71.0 (63.1–78.9) 67.9 (59.8–76.0)
 Other 11 3.5 27.3(−4.1–58.7) 27.3(−4.1–58.7) 90.0 (67.4–112.6) 90.9 (70.7–111.2) 81.8 (54.6–109.0) 81.8 (54.6–109) 63.6 (29.7–97.5)
Physically demanding
 Not at all 41 12.9 24.4 (10.7–38.1) 53.7 (37.7–69.6) 86.5 (74.9–98) 95.1 (88.2–102) 82.5 (70.2–94.8) 92.7 (84.4–101) 41.5 (25.7–57.2)
 A little 109 34.3 24.8 (16.5–33) 42.2 (32.8–51.6) 89.7 (83.9–95.6) 94.5 (90.1–98.8) 86.5 (79.9–93.2) 73.4 (65.0–81.8) 70.6 (62.0–79.3)
 Moderately 151 47.5 39.7 (31.8–47.6) 40.9 (33–48.9) 89.3 (84.1–94.5) 86.8 (81.3–92.2) 77.0 (69.9–84.2) 73.5 (66.4–80.6) 62.3 (54.4–70.1)
 Very much 17 5.3 52.9 (26.5–79.4) 56.3 (28.9–83.6) 94.1 (81.6–106.6) 100 (100–100) 86.7 (67.2–106.2) 52.9 (26.5–79.4) 82.4 (62.1–102.6)
Work close to heat sources
 No 304 95.6 33.2 (27.9–38.5) 44.5 (38.9–50.2) 89.2 (85.6–92.8) 91.8 (88.7–94.9) 81.2 (76.6–85.8) 75.3 (70.5–80.2) 63.2 (57.7–68.6)
 Yes 14 4.4 35.7 (7–64.4) 28.6 (1.5–55.6) 92.3 (75.5–109.1) 78.6 (54–103.2) 91.7 (73.3–110.0) 64.3 (35.6–93.0) 71.4 (44.4–98.5)
Use of personal protective equipment
 No 205 64.5 28.3 (22.1–34.5) 42.9 (36–49.7) 92.3 (88.6–96.1) 92.7 (89.1–96.3) 81.3 (75.7–86.8) 74.6 (68.6–80.6) 59.5 (52.7–66.3)
 Yes 113 35.5 42.5 (33.2–51.7) 45.5 (36.2–54.9) 83.8 (76.6–91) 88.5 (82.5–94.5) 82.4 (74.8–89.9) 75.2 (67.1–83.3) 70.8 (62.3–79.3)
Heat illness experience
 No 256 80.5 30.1 (24.4–35.7) 41.1 (35–47.2) 88.1 (84–92.2) 93.0 (89.8–96.1) 79.8 (74.8–84.9) 79.7 (74.7–84.6) 61.7 (55.7–67.7)
 Yes 37 11.6 45.9 (29.1–62.8) 64.9 (48.7–81) 94.1 (85.8–102.5) 86.5 (74.9–98.0) 90.9 (80.6–101.3) 51.4 (34.5–68.2) 78.4 (64.5–92.3)
Heat-related injury experience
 No 271 85.2 28.8 (23.4–34.2) 38.8 (32.9–44.7) 89.1 (85.3–92.9) 93.0 (89.9–96.0) 80.9 (76.1–85.8) 80.1 (75.3–84.9) 62.0 (56.2–67.8)
 Yes 35 11.0 60.0 (42.9–77.1) 77.1 (62.5–91.8) 90.9 (80.6–101.3) 80.0 (66.1–93.9) 89.3 (77.1–101.5) 42.9 (25.6–60.1) 74.3 (59.1–89.5)
Heat-related injury witnessed
 No 218 68.6 26.6 (20.7–32.5) 36.7 (30.2–43.2) 87.3 (82.7–91.9) 90.8 (87–94.7) 79.1 (73.4–84.8) 79.8 (74.4–85.2) 55.5 (48.9–62.2)
 Yes 100 31.4 48.0 (38–58) 59.0 (49.2–68.8) 93.8 (88.8–98.7) 92.0 (86.6–97.4) 87.1 (80.2–94.0) 64.0 (54.4–73.6) 81.0 (73.2–88.8)
Attending heat training
 No 148 46.5 34.5 (26.7–42.2) 43.5 (35.4–51.6) 81.2 (74.5–87.9) 86.5 (80.9–92.1) 81.7 (75.0–88.4) 67.6 (59.9–75.2) 62.8 (55–70.7)
 Yes 170 53.5 32.4 (25.2–39.5) 44 (36.5–51.6) 95.8 (92.8–98.9) 95.3 (92.1–98.5) 81.6 (75.6–87.6) 81.2 (75.2–87.1) 64.1 (56.8–71.4)
Knowing ihgh temperature regulations
 No 100 31.4 40.0 (30.2–49.8) 45.5 (35.5–55.4) 81.8 (73.6–90.0) 82.0 (74.3–89.7) 77.9 (69.0–86.9) 65.0 (55.5–74.5) 62.0 (52.3–71.7)
 Yes 218 68.6 30.3 (24.1–36.4) 43.1 (36.4–49.7) 92.5 (88.9–96.1) 95.4 (92.6–98.2) 83.2 (78.0–88.3) 79.4 (73.9–84.8) 64.2 (57.8–70.6)
Adjusting work habits
 No 69 21.7 36.2 (24.6–47.9) 49.3 (37.2–61.4) 90.6 (83.3–98.0) 89.9 (82.5–97.2) 71.9 (59.9–84.0) 63.8 (52.1–75.4) 66.7 (55.3–78.1)
 Yes 249 78.3 32.5 (26.7–38.4) 42.3 (36.1–48.5) 89.0 (85.0–93.0) 91.6 (88.1–95.0) 84.0 (79.3–88.7) 77.9 (72.7–83.1) 62.7 (56.6–68.7)
Knowing high temperature subsidies policies
 No 96 30.2 35.4 (25.7–45.2) 44.7 (34.4–54.9) 86.4 (79.1–93.7) 86.5 (79.5–93.4) 72.3 (62.5–82.1) 63.5 (53.7–73.3) 65.6 (56.0–75.3)
 Yes 222 69.8 32.4 (26.2–38.6) 43.4 (36.9–50) 90.6 (86.7–94.6) 93.2 (89.9–96.6) 85.3 (80.5–90.1) 79.7 (74.4–85.1) 62.6 (56.2–69)
High-temperature subsidies received
 No 83 26.1 39.8 (29–50.5) 43.8 (32.6–54.9) 84.6 (76.4–92.8) 85.5 (77.8–93.3) 74.3 (64.1–84.5) 68.7 (58.5–78.9) 61.4 (50.8–72.1)
 Yes 235 73.9 31.1 (25.1–37) 43.8 (37.4–50.2) 91.0 (87.3–94.8) 93.2 (89.9–96.4) 84.1 (79.2–89.0) 77.0 (71.6–82.4) 64.3 (58.1–70.4)