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Table 3 Summary findings of five Chinese cities

From: The effect of temperature on physical activity: an aggregated timeseries analysis of smartphone users in five major Chinese cities

Variables

Beijing (BJ)

Shanghai (SH)

Chongqing (CQ)

Shenzhen (SZ)

Hong Kong (HK)

p-value

Observation days

391

391

391

391

391

 

Physical activity

 Total avg. daily step count, mean (±SD)

6846.0 (478.4)

6702.5 (463.3)

7540.1 (507.6)

7209.4 (402.7)

9039.6 (429.1)

< 0.001*

 Males, mean (±SD)

7594.3 (518.2)

7465.3 (500.9)

8079.8 (461.9)

7862.8 (415.2)

9635.2 (430.4)

< 0.001*

 Females, mean (±SD)

6095.1 (454.1)

5998.1 (444.3)

7081.4 (561.2)

6412.1 (416.4)

8580.1 (443.4)

< 0.001*

 Age group 18-64, mean (±SD)

6850.0 (477.6)

6707.7 (461.2)

7535.6 (505.7)

7208.0 (401.8)

9047.7 (429.2)

< 0.001*

 Age group 65+, mean (±SD)

6505.9 (614.4)

6385.3 (648.2)

7899.5 (708.8)

7485.1 (620.6)

7966.0 (461.9)

< 0.001*

Meteorological

 Station ID

54511

58362

57516

59493

HKO

 

 Temperature, range

−9.2 to 32.5

−1.0 to 32.6

4.5 to 36.5

6.6 to 30.8

9.0 to 31.2

 

 Temp, °C mean (±SD)

12.7 (12.1)

17.0 (9.3)

18.7 (8.4)

23.0 (5.5)

23.5 (5.3)

< 0.001*

 Apparent temp, °C mean (±SD)

13.5 (12.6)

18.0 (12.5)

19.6 (11.1)

26.0 (8.7)

26.8 (8.3)

< 0.001*

 Relative humidity, mean (±SD)

48.0 (19.2)

73.4 (12.6)

75.23 (12.0)

74.7 (14.0)

76.2 (10.8)

< 0.001*

 Rainfall days, non-zero (%)

58 (14.8)

140 (35.8)

173 (44.2)

122 (31.4)

226 (57.8)

< 0.001*

 Rainfall, mean (±SD)

1.4 (7.3)

3.7 (11.3)

3.1 (8.0)

5.0 (15.3)

5.5 (16.0)

< 0.001*

 Windspeed, m/s (±SD)

2.0 (0.8)

2.6 (1.0)

1.3 (0.4)

1.9 (0.7)

6.6 (3.0)

< 0.001*

 Pressure, mean (±SD)

1013.9 (10.6)

1016.8 (9.5)

983.6 (9.2)

1005.7 (7.0)

1013.1 (7.0)

< 0.001*

 Sunshine, mean (±SD)

6.8 (3.7)

5.1 (4.2)

3.1 (4.1)

5.3 (3.8)

5.3 (3.9)

< 0.001*

Precision variables

 AQI, mean (±SD)

82.7 (48.7)

64.9 (32.7)

65.1 (31.5)

48.3 (17.0)

\

< 0.001*

 AQHI, mean (±SD)

\

\

\

\

3.5 (1.1)

NA

 Holiday (%)

25 (6.4)

25 (6.4)

25 (6.4)

25 (6.4)

19 (4.9)

0.863

 Extra workdays (%)

7 (1.8)

7 (1.8)

7 (1.8)

7 (1.8)

0 (0.0)

NA

 Typhoon (%)

0 (0.0)

5 (1.3)

0 (0.0)

2 (0.5)

9 (2.3)

0.001*

 Super typhoon (%)

0 (0.0)

0 (0.0)

0 (0.0)

1 (0.3)

1 (0.3)

0.557

 Marathon (%)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

1 (0.3)

NA

  1. Chi-square test was used to measure the overall difference in proportion between the cities
  2. \ indicates the absence of data
  3. * p ≤ 0.05 indicates significant difference
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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