In a study of 142 Japanese men from a cross-section of the workforce of a technology development company, we found that the percentage of CD56+ cells was inversely correlated with the number of hours worked per week. A low CD56+ cell percentage was associated with longer weekly working hours and shorter daily sleeping hours.

The advent of 'NHS Direct', has centred attention on nurses giving telephone advice as part of the provision of out of hours medical care. A three month retrospective study of telephone consultations by nurses at the MRS Sennelager showed that telephone consultation greatly contributes to "out of hours" medical care. The outcome of telephone consultations made out of hours revealed that in 70% ...

We present evidence from a new comprehensive database of harmonized national time-diary data that standardizes information on almost 40 years of daily life in America. The advantages of the diary method over other ways of calculating how time is spent are reviewed, along with its ability to generate more reliable and accurate measures of productive activity than respondent estimates or other al...

OBJECTIVES This nested case-crossover study examined the association between rushing, distraction and walking on a contaminated floor and the rate of slipping, and whether the effects varied according to weekly hours worked, job tenure and use of slip-resistant shoes. METHODS At baseline, workers from 30 limited-service restaurants in the USA reported average work hours, average weekly durati...

We provide empirical evidence on the effects of tax liability changes in the United States. We distinguish between “surprise” and “anticipated” tax shocks. We find that surprise tax cuts have expansionary and persistent effects on output, consumption, investment and hours worked. Prior to their implementation, anticipated tax liability tax cuts give rise to contractions in output, investment an...

The number of Americans raising grandchildren has been rising steadily. In this article, we expand what is known by focusing on the economic implications of this trend. We compile a unique data set from the Panel Study of Income Dynamics along with its Parent Identification File on 3,240 nonretired grandparent household heads and estimate the effect of taking in a grandchild on labor force part...

This article examines the development of the educational and vocational careers of 1257 subjects born between 1961 and 1969 as a function of economic circumstances in the Netherlands during the eighties. Subjects were expected to attend school longer in times of recession, to have a higher level of education, while getting a suitable, high-quality job (in terms of number of hours, appointment t...

The Making of Entrepreneurs in Germany: Are Native Men and Immigrants Alike? This paper uses a state of the art three-stage technique to identify the characteristics of the self-employed immigrant and native men in Germany and to understand their underlying drive into self-employment. Employing data from the German Socioeconomic Panel 2000 release we find that self-employment is not significant...

BACKGROUND The implementation of the European Working Time Directive (WTD) has reduced the hours worked by trainees in the UK to a maximum of 56 h per week. With a further and final reduction to 48 h per week scheduled for August 2009, there is concern amongst doctors about the impact on training and on patient care. Paediatric anaesthesia is one of the specialist areas of anaesthesia for which...