Table 2.

Number of shoe images in each category of heel height considering position change of brand name manufacturers (n = 14) over the past decade.

Heel height	Year
	2021	2011
Category 1 (>10 cm)	7.29 ± 2.58*	6.43 ± 3.62†≠
Category 2 (4–10 cm)	1.14 ± 1.51	0.93 ± 1.75
Category 3 (<4 cm)	1.57 ± 1.76	2.64 ± 3.13

Data are means ± SD. *p < 0.0001 different from Category 2 and 3 in 2021; ^†p = 0.0001 different from Category 2, and ^≠p = 0.025 different from Category 3 in 2011.