Variable definitions and descriptive statistics
| Variable | Definition | Type | Min | Max | Mean | SD |
|---|---|---|---|---|---|---|
| Dependent variable | ||||||
| Total citation | Total count of citations | C | 0 | 105 | 13.92 | 18.115 |
| Independent variable | ||||||
| Lead paper | 1 if article is the first paper of an issue, otherwise 0 | D | 0 | 1 | 0.117 | 0.322 |
| Special issue | 1 if article appeared in a special issue, otherwise 0 | D | 0 | 1 | 0.213 | 0.410 |
| Number of Authors | Count of number of authors in the article | C | 1 | 6 | 2.711 | 1.079 |
| Number of keywords | Count of number of keywords in the article | C | 2 | 12 | 5.570 | 1.428 |
| Article age | 2021 minus publishing year of the article | C | 0 | 11 | 4.258 | 3.312 |
| Article length | Page count involved in the article | C | 7 | 57 | 16.419 | 5.015 |
| Number of references | Count of number of references in the article | C | 10 | 173 | 59.794 | 25.405 |
| Title length | Count of the number of words in the article title | C | 0 | 19 | 1.938 | 4.730 |
| USA | 1 if any of the authors is affiliated to a US institution, otherwise 0 | D | 0 | 1 | 0.481 | 0.501 |
| Quantitative | 1 if research design of the article is quantitative, otherwise 0 | D | 0 | 1 | 0.766 | 0.424 |
| Qualitative | 1 if research design of the article is qualitative, otherwise 0 | D | 0 | 1 | 0.093 | 0.291 |
| Empirical | 1 if research design of the article is empirical, otherwise 0 | D | 0 | 1 | 0.852 | 0.355 |
| Review and conceptual | 1 if research method of the article is review or conceptual, otherwise 0 | D | 0 | 1 | 0.155 | 0.362 |
| Hotel and accommodation | 1 if the article focuses on hotel and accommodation, otherwise 0 | D | 0 | 1 | 0.402 | 0.491 |
| Food and beverage | 1 if the article focuses on food and beverage, otherwise 0 | D | 0 | 1 | 0.079 | 0.270 |
| Tourism | 1 if the article focuses on tourism, otherwise 0 | D | 0 | 1 | 0.271 | 0.445 |
| Travel and leisure | 1 if the article focuses on travel and leisure, otherwise 0 | D | 0 | 1 | 0.196 | 0.398 |
| Restaurants | 1 if the article focuses on restaurants, otherwise 0 | D | 0 | 1 | 0.089 | 0.286 |
| Variable | Definition | Type | Min | Max | Mean | SD |
|---|---|---|---|---|---|---|
| Total citation | Total count of citations | C | 0 | 105 | 13.92 | 18.115 |
| Lead paper | 1 if article is the first paper of an issue, otherwise 0 | D | 0 | 1 | 0.117 | 0.322 |
| Special issue | 1 if article appeared in a special issue, otherwise 0 | D | 0 | 1 | 0.213 | 0.410 |
| Number of Authors | Count of number of authors in the article | C | 1 | 6 | 2.711 | 1.079 |
| Number of keywords | Count of number of keywords in the article | C | 2 | 12 | 5.570 | 1.428 |
| Article age | 2021 minus publishing year of the article | C | 0 | 11 | 4.258 | 3.312 |
| Article length | Page count involved in the article | C | 7 | 57 | 16.419 | 5.015 |
| Number of references | Count of number of references in the article | C | 10 | 173 | 59.794 | 25.405 |
| Title length | Count of the number of words in the article title | C | 0 | 19 | 1.938 | 4.730 |
| USA | 1 if any of the authors is affiliated to a US institution, otherwise 0 | D | 0 | 1 | 0.481 | 0.501 |
| Quantitative | 1 if research design of the article is quantitative, otherwise 0 | D | 0 | 1 | 0.766 | 0.424 |
| Qualitative | 1 if research design of the article is qualitative, otherwise 0 | D | 0 | 1 | 0.093 | 0.291 |
| Empirical | 1 if research design of the article is empirical, otherwise 0 | D | 0 | 1 | 0.852 | 0.355 |
| Review and conceptual | 1 if research method of the article is review or conceptual, otherwise 0 | D | 0 | 1 | 0.155 | 0.362 |
| Hotel and accommodation | 1 if the article focuses on hotel and accommodation, otherwise 0 | D | 0 | 1 | 0.402 | 0.491 |
| Food and beverage | 1 if the article focuses on food and beverage, otherwise 0 | D | 0 | 1 | 0.079 | 0.270 |
| Tourism | 1 if the article focuses on tourism, otherwise 0 | D | 0 | 1 | 0.271 | 0.445 |
| Travel and leisure | 1 if the article focuses on travel and leisure, otherwise 0 | D | 0 | 1 | 0.196 | 0.398 |
| Restaurants | 1 if the article focuses on restaurants, otherwise 0 | D | 0 | 1 | 0.089 | 0.286 |
Notes:
C = count variable; D = dichotomous variable; Min = minimum value; Max = maximum value; SD = standard deviation
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