Table 4 Comparative analysis of demographic, ecological and socioeconomic variables stratified by four types of spatial clusters as determined by LISA, China, 2005–2016.
Characteristics | Cluster | F/χ2 | P-value | ||||
|---|---|---|---|---|---|---|---|
High-High* (n = 22) | High-Low (n = 94) | Low-High (n = 199) | Low-Low (n = 634) | Other** (n = 1733) | |||
Demographical | |||||||
Age (years) | |||||||
Median (IQR) | 35 (21–47)a | 45 (32–56)b | 44 (30–57)b | 48 (34–57)c | 41 (30–53)b | F = 185.38 | <0.001# |
Sex, n (%) | |||||||
Male | 985 (69.60)a | 270 (71.42) | 229 (76.84) | 215 (63.23) | 1,001 (63.27)b | χ2 = 33.10 | <0.001 |
Female | 431 (30.40)a | 108 (28.58) | 69 (23.16) | 125 (36.77) | 581 (36.73)b | ||
Occupation, n (%) | |||||||
Farmer | 1,136 (80.20)a | 265 (70.10)a | 212 (71.14)a | 247 (72.64)a | 1,080 (68.27)b | χ2 = 57.79 | <0.001 |
Non-farmer | 280 (19.80)a | 113 (29.90)a | 86 (28.86)a | 93 (27.36)a | 502 (31.73)b | ||
Ecological and Socioeconomic | |||||||
Mean Elevation (m) | 576.01ab (451.17–700.25) | 250.94a (190.66–311.21) | 675.15b (577.41–772.90) | 207.49a (177–45–237.52) | 1,020.36c (963.39–1077.34) | F = 82.50 | <0.001 |
Mean monthly precipitation (mm) | 106.82a (97.45–116.19) | 101.40a (95.26–107.55) | 120.67b (117.40–123.93) | 76.88c (74.57–79.19) | 62.79d (61.08–64.49) | F = 167.25 | <0.001 |
Rural-type counties† (%) | 100.00 | 93.61 (86.45–97.11) | 91.45 (86.66–94.63) | 76.02 (72.54–79.19) | 86.60 (84.9–88.1) | χ2 = 58.43 | <0.001 |
Mean pig density (head/km2) | 212.20a (146.40–278.00) | 212.49a (181.57–243.41) | 134.28b (114.48–154.09) | 190.50a (176.43–204.58) | 88.68b (83.25–94.11) | F = 78.40 | <0.001 |
Mean cattle density (head/km2) | 7.88a (4.14–11.62) | 24.18ab (18.06–30.29) | 23.54ab (19.73–27.35) | 36.36b (31.26–41.46) | 19.62ab (17.55–21.70) | F = 14.41 | <0.001 |
Mean farmland production (kg/ha) | 2,949.67ab (1953.41–3945.93) | 3,372.04b (2854.01–3890.06) | 1,457.58c (1267.94–1647.22) | 4,296.41c (4080.49–4512.33) | 2,315.05a (2208.14–2421.97) | F = 99.84 | <0.001 |
GDP‡ | 440.80a (236.61–644.98) | 3,070.73b (2042.65–4098.83) | 1,427.95c (1025.29–1830.60) | 4,448.88d (4006.23–4891.54) | 1,974.07c (1787.85–2160.30) | F = 41.99 | <0.001 |