Table S1

Augmented Dickey–Fuller test for unit roots

SeriesLevelsFirst differencesSecond differences
Discrimination index−1.564 (0.501)−1.343 (0.324)−6.963*** (0.000)
Aesthetics pillar−2.980 (0.184)−1.455 (0.223)−18.663*** (0.000)
Sexuality pillar−1,536 (0.515)−2.008 (0.488)−7.668*** (0.000)

Note(s): *** significant at 1%, 5% and 10%, respectively; (): p-value

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