Age-Friendly Organisations: The Role of Organisational Culture and the Participation of Older Workers

Population ageing is a global phenomenon that has become prominent in international discourse over the past few decades. This discussion is often coupled with the economic implications of population ageing through reduced workforce participation of the older age group, increased government spending on health and pensions and reduced government income from taxes. A means of mitigating the economic costs of ageing is to lift the proportion of older individuals in the workforce and prolong working lives. This brings to the forefront an important point regarding the need for organisations to undertake changes so as to better enable the employment of older individuals and to cater for an ageing workforce. This article critically reflects on age-friendly organisational practices that can have an impact on the recruitment and retention of older individuals. It further contends that there is a need to develop a deeper understanding of factors that constitute an organisational culture geared towards the older demographic, in order for strategies and practices directed at older workers to be effective. Through this argument, the authors consolidate the literature on age-friendly organisational practices and propose a conceptual model of an age-friendly organisational culture, drawing from both functionalist and interpretivist paradigms.     

Algorithmic aspects of <Emphasis Type="Italic">b</Emphasis>-disjunctive domination in graphs

For a fixed integer \(b>1\), a set \(D\subseteq V\) is called a b-disjunctive dominating set of the graph \(G=(V,E)\) if for every vertex \(v\in V{\setminus }D\), v is either adjacent to a vertex of D or has at least b vertices in D at distance 2 from it. The Minimum b-Disjunctive Domination Problem (MbDDP) is to find a b-disjunctive dominating set of minimum cardinality. The cardinality of a minimum b-disjunctive dominating set of G is called the b-disjunctive domination number of G, and is denoted by \(\gamma _{b}^{d}(G)\). Given a positive integer k and a graph G, the b-Disjunctive Domination Decision Problem (bDDDP) is to decide whether G has a b-disjunctive dominating set of cardinality at most k. In this paper, we first show that for a proper interval graph G, \(\gamma _{b}^{d}(G)\) is equal to \(\gamma (G)\), the domination number of G for \(b \ge 3\) and observe that \(\gamma _{b}^{d}(G)\) need not be equal to \(\gamma (G)\) for \(b=2\). We then propose a polynomial time algorithm to compute a minimum cardinality b-disjunctive dominating set of a proper interval graph for \(b=2\). Next we tighten the NP-completeness of bDDDP by showing that it remains NP-complete even in chordal graphs. We also propose a \((\ln ({\varDelta }^{2}+(b-1){\varDelta }+b)+1)\)-approximation algorithm for MbDDP, where \({\varDelta }\) is the maximum degree of input graph \(G=(V,E)\) and prove that MbDDP cannot be approximated within \((1-\epsilon ) \ln (|V|)\) for any \(\epsilon >0\) unless NP \(\subseteq \) DTIME\((|V|^{O(\log \log |V|)})\). Finally, we show that MbDDP is APX-complete for bipartite graphs with maximum degree \(\max \{b,4\}\).     

Sex differences in observers' reactions to a nurse's use of touch

We tested the notion that male and female observers would have different reactions to the use of touch by a nurse towards a patient in a hospital situation. If males are socialized to favor autonomy and independence and females to favor nurturance and caring, it was assumed that male subjects would rate a nurse as less supportive and competent if a nurse touched a patient. The results (based on reactions to photographs manipulating the level of physical contact that occurred between a nurse and a patient) were generally consistent with these predictions. While the subjects' sex moderated reactions to the nurse-initiated touch, there was an overall pattern for observers to react more favorably to the nurse who used touch compared to no touch in interacting with a patient. The results suggest that nurses and health professionals who use touch in interacting with patients may be judged in part by the attitudes of males and females about the use of touch.